From 0e22a554e0e7da5d66f39e0d8e6fbeddc7ce0175 Mon Sep 17 00:00:00 2001
From: Choi Junho <minseo0388@outlook.com>
Date: Tue, 4 May 2021 23:37:56 +0900
Subject: [PATCH] Update

---
 README.md                         |  4 +--
 package-lock.json                 |  2 +-
 package.json                      |  2 +-
 src/2d/circle/circle.js           | 22 ++++++++--------
 src/2d/hexagon/hexagon.js         |  2 +-
 src/2d/oval/oval.js               |  4 +--
 src/2d/pentagon/pentagon.js       |  6 ++---
 src/2d/polygon/polygon.js         | 12 ++++-----
 src/2d/rectangle/rectangle.js     | 16 +++++------
 src/2d/triangle/pytagoras_004.js  | 24 -----------------
 src/2d/triangle/triangle.js       | 28 +++++++++++++++-----
 src/3d/cone/cone.js               |  4 +--
 src/3d/cube/cube.js               | 10 +++----
 src/3d/cylinder/cylinder.js       |  4 +--
 src/3d/polyhedron/polyhedron.js   |  2 +-
 src/3d/pyramid/pyramid.js         | 12 ++++-----
 src/3d/sphere/sphere.js           |  4 +--
 src/3d/tetrahedron/tetrahedron.js |  6 ++---
 src/angle/angle.js                |  2 +-
 src/calc/calc.js                  | 28 ++++++++++----------
 src/calculus/calculus.js          |  4 +--
 src/equation/equation.js          | 12 ++++-----
 src/matrix/matrix.js              | 44 +++++++++++++++----------------
 src/others/others.js              |  4 +--
 src/progress/progress.js          | 40 ++++++++++++++--------------
 src/vector/vector.js              |  4 +--
 26 files changed, 146 insertions(+), 156 deletions(-)
 delete mode 100644 src/2d/triangle/pytagoras_004.js

diff --git a/README.md b/README.md
index f53bdac..902b463 100644
--- a/README.md
+++ b/README.md
@@ -28,9 +28,9 @@ For more information, contact minseo0388@daum.net or 129dot03@kakao.com.
 
 **Published as `Naesungmath` at npmjs.org**
 
-**최신 안정화 버전은 `2.0.0` 입니다.**
+**최신 안정화 버전은 `2.1.0` 입니다.**
 
-**The latest stabilized version is `2.0.0`.**
+**The latest stabilized version is `2.1.0`.**
 
 ### Update Notice
 
diff --git a/package-lock.json b/package-lock.json
index e1c7433..82844b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "naesungmath",
-    "version": "1.0.0",
+    "version": "2.1.0",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index 378efc4..7907beb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "naesungmath",
-    "version": "2.0.0",
+    "version": "2.1.0",
     "description": "Math and Science",
     "main": "/src/math.js",
   "scripts": {
diff --git a/src/2d/circle/circle.js b/src/2d/circle/circle.js
index beb3262..be3551e 100644
--- a/src/2d/circle/circle.js
+++ b/src/2d/circle/circle.js
@@ -9,7 +9,7 @@
  * @return {number} Inscribed circle and triangle area formula
  * 
  */
-exports.inscribedCircleTriangleArea = function (a, b, c, r) {
+export function inscribedCircleTriangleArea(a, b, c, r) {
     return (((a + b + c) / 2) * r)
 }
 
@@ -24,7 +24,7 @@ exports.inscribedCircleTriangleArea = function (a, b, c, r) {
  * @return {number} Inscribed circle and triangle area formula
  * 
  */
-exports.circumscribedCircleTriangleArea_Side = function (a, b, c, r) {
+export function circumscribedCircleTriangleArea_Side(a, b, c, r) {
     return (a * b * c / 4 / r)
 }
 
@@ -39,7 +39,7 @@ exports.circumscribedCircleTriangleArea_Side = function (a, b, c, r) {
  * @return {number} Inscribed circle and triangle area formula 
  * 
  */
-exports.circumscribedCircleTriangleArea_Angle = function (a, b, c, r) {
+export function circumscribedCircleTriangleArea_Angle(a, b, c, r) {
     return (2 * r * r * (Math.sin(a)) * (Math.sin(b)) * (Math.sin(c)))
 }
 
@@ -51,7 +51,7 @@ exports.circumscribedCircleTriangleArea_Angle = function (a, b, c, r) {
  * @return {number} The area of circle
  * 
  */
-exports.circleArea = function (r) {
+export function circleArea(r) {
     return ((Math.PI) * (r ** 2))
 }
 
@@ -63,7 +63,7 @@ exports.circleArea = function (r) {
  * @return {number} The circumstance of circle
  * 
  */
-exports.circlePerimeter = function (r) {
+export function circlePerimeter(r) {
     return (2 * (Math.PI) * r)
 }
 
@@ -75,7 +75,7 @@ exports.circlePerimeter = function (r) {
  * @return {number} The center angle of circumferential angle
  * 
  */
-exports.circumference = function (a) {
+export function circumference(a) {
     return (2 * a)
 }
 
@@ -88,7 +88,7 @@ exports.circumference = function (a) {
  * @return {number} The center angle of sector form (radian)
  * 
  */
-exports.circularSectorAngle = function (r, l) {
+export function circularSectorAngle(r, l) {
     return (l / r)
 }
 
@@ -101,7 +101,7 @@ exports.circularSectorAngle = function (r, l) {
  * @return {number} THe area of sector form
  * 
  */
-exports.circularSectorArea_rt = function (r, t) {
+export function circularSectorArea_rt(r, t) {
     return (0.5 * r * (t ** 2))
 }
 
@@ -114,7 +114,7 @@ exports.circularSectorArea_rt = function (r, t) {
  * @return {number} The area of sector form
  * 
  */
-exports.circularSectorArea_rl = function (r, l) {
+export function circularSectorArea_rl(r, l) {
     return (0.5 * r * l)
 }
 
@@ -127,7 +127,7 @@ exports.circularSectorArea_rl = function (r, l) {
  * @return {number} The length of arc
  * 
  */
-exports.arcLength = function (r, l) {
+export function arcLength(r, l) {
     return (r * l)
 }
 
@@ -139,6 +139,6 @@ exports.arcLength = function (r, l) {
  * @return {number} Convert degree to radian
  * 
  */
-exports.degreeToRad = function (deg) {
+export function degreeToRad(deg) {
     return deg * Math.PI / 180
 }
diff --git a/src/2d/hexagon/hexagon.js b/src/2d/hexagon/hexagon.js
index 15a11a3..882a22a 100644
--- a/src/2d/hexagon/hexagon.js
+++ b/src/2d/hexagon/hexagon.js
@@ -7,6 +7,6 @@
  * @return {number} The area of hexagon with on side a
  * 
  */
-exports.hexagonArea = function (a) {
+export function hexagonArea(a) {
     return ((3 * ((3) ^ 0.5)) / 2) * (a ** 2)
 }
diff --git a/src/2d/oval/oval.js b/src/2d/oval/oval.js
index edf738f..4710204 100644
--- a/src/2d/oval/oval.js
+++ b/src/2d/oval/oval.js
@@ -7,7 +7,7 @@
  * @return {number} The area of eval
  * 
  */
-exports.ovalArea = function (a, b) {
+export function ovalArea(a, b) {
     return ((Math.PI) * a * b)
 }
 
@@ -20,6 +20,6 @@ exports.ovalArea = function (a, b) {
  * @return {number} THe eccentricity of eval
  * 
  */
-exports.evalEccentricity = function (a, b) {
+export function evalEccentricity(a, b) {
     return ((1 - ((b ** 2) / (a ** 2))) ** 0.5)
 }
diff --git a/src/2d/pentagon/pentagon.js b/src/2d/pentagon/pentagon.js
index 736393e..067448f 100644
--- a/src/2d/pentagon/pentagon.js
+++ b/src/2d/pentagon/pentagon.js
@@ -6,7 +6,7 @@
  * @return {number} The height of pentagon with side a
  * 
  */
-exports.pentagonArea = function (a) {
+export function pentagonArea(a) {
     return ((((a) ** 2) / 4) * ((25 + 10((5) ** 0.5)) ** 0.5))
 }
 
@@ -18,7 +18,7 @@ exports.pentagonArea = function (a) {
  * @return {number} The length of height of pentagon
  * 
  */
-exports.pentagonHeight = function (a) {
+export function pentagonHeight(a) {
     return (((25 + 10 * ((5) ** 0.5)) / 2) * (a))
 }
 
@@ -30,7 +30,7 @@ exports.pentagonHeight = function (a) {
  * @return {number} The length of digonal of pentagon
  * 
  */
-exports.pentagonDiagonal = function (a) {
+export function pentagonDiagonal(a) {
     // ������ ���ε� ������ ���̶� �ۼ�//
     return ((1 + ((5) ** 0.5) / 2) * (a))
 }
diff --git a/src/2d/polygon/polygon.js b/src/2d/polygon/polygon.js
index 5b3c4ca..f77316c 100644
--- a/src/2d/polygon/polygon.js
+++ b/src/2d/polygon/polygon.js
@@ -6,7 +6,7 @@
  * @return {number} The number of diagonal of polygon
  * 
  */
-exports.polydiag = function (n) {
+export function polydiag(n) {
     return (n * (n - 3) / 2)
 }
 
@@ -18,7 +18,7 @@ exports.polydiag = function (n) {
  * @return {number} The sum of the polygons cabinet (degree)
  * 
  */
-exports.polyAngleSumDeg = function (n) {
+export function polyAngleSumDeg(n) {
     return (180 * (n - 2))
 }
 
@@ -30,7 +30,7 @@ exports.polyAngleSumDeg = function (n) {
  * @return {number} The sum of the polygons cabinet (radian)
  * 
  */
-exports.polyAngleSumRad = function (n) {
+export function polyAngleSumRad(n) {
     return ((Math.PI) * (n - 2))
 }
 
@@ -43,7 +43,7 @@ exports.polyAngleSumRad = function (n) {
  * @return {number} The area of regular polygons
  * 
  */
-exports.polyarea = function (n, a) {
+export function polyarea(n, a) {
     return n * (a ** 2) / (4 * (Math.tan(a / (Math.PI))))
 }
 
@@ -55,7 +55,7 @@ exports.polyarea = function (n, a) {
  * @return {number} The sum of cabinet of polygon (degree)
  * 
  */
-exports.polyAngle_Deg = function (n) {
+export function polyAngle_Deg(n) {
     return (180 * (n - 2) / n)
 }
 
@@ -67,6 +67,6 @@ exports.polyAngle_Deg = function (n) {
  * @return {number} The sum of cabinet of polygon (radian)
  * 
  */
-exports.polyAngle_Rad = function (n) {
+export function polyAngle_Rad(n) {
     return ((Math.PI) * (n - 2) / n)
 }
diff --git a/src/2d/rectangle/rectangle.js b/src/2d/rectangle/rectangle.js
index 3d1dadd..5ad24f2 100644
--- a/src/2d/rectangle/rectangle.js
+++ b/src/2d/rectangle/rectangle.js
@@ -7,7 +7,7 @@
  * @return {number} The area of parallelogram
  * 
  */
-exports.parallelogramArea = function (a, h) {
+export function parallelogramArea(a, h) {
     return (a * h)
 }
 /**
@@ -19,7 +19,7 @@ exports.parallelogramArea = function (a, h) {
  * @return {number} THe area of rectangle with the side is a, b
  * 
  */
-exports.rectangleArea = function (a, b) {
+export function rectangleArea(a, b) {
     return (a * b)
 }
 /**
@@ -31,7 +31,7 @@ exports.rectangleArea = function (a, b) {
  * @return {number} Pythagoras Theorem
  * 
  */
-exports.rectangleDiagonal = function (a, b) {
+export function rectangleDiagonal(a, b) {
     return (((a) ** 2 + (b) ** 2) ** 0.5)
 }
 /**
@@ -43,7 +43,7 @@ exports.rectangleDiagonal = function (a, b) {
  * @return {number} The circumstance of rectangle with the side is a, b
  * 
  */
-exports.rectanglePerimeter = function (a, b) {
+export function rectanglePerimeter(a, b) {
     return ((a) * 2 + (b) * 2)
 }
 /**
@@ -55,7 +55,7 @@ exports.rectanglePerimeter = function (a, b) {
  * @return {number} The area of rhombus with digonal a, b
  * 
  */
-exports.rhombusArea = function (a, b) {
+export function rhombusArea(a, b) {
     return (0.5 * (a) * (b))
 }
 /**
@@ -66,7 +66,7 @@ exports.rhombusArea = function (a, b) {
  * @return {number} Area of a square with one side a
  * 
  */
-exports.square = function (a) {
+export function square(a) {
     return (a ** 2)
 }
 /**
@@ -79,7 +79,7 @@ exports.square = function (a) {
  * @return {number} The area of square
  * 
  */
-exports.squareArea = function (a, b, t) {
+export function squareArea(a, b, t) {
     return (0.5 * (a) * (b) * (Math.sin(t)))
 }
 /**
@@ -92,6 +92,6 @@ exports.squareArea = function (a, b, t) {
  * @return {number} The area of trapezoid
  * 
  */
-exports.trapezoidArea = function (a, b, h) {
+export function trapezoidArea(a, b, h) {
     return (0.5 * (a + b) * h)
 }
diff --git a/src/2d/triangle/pytagoras_004.js b/src/2d/triangle/pytagoras_004.js
deleted file mode 100644
index 970c71f..0000000
--- a/src/2d/triangle/pytagoras_004.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * 004 ��Ÿ���� ����
- * 
- * @author: Choi Minseo
- * @param {number} a
- * @param {number} b
- * @return {number} The length of the hypotenuse when each side is a, b in a right triangle
- * 
- */
-exports.pytagoras = function (a, b) {
-    return ((a * a + b * b) ** 0.5)
-}
-/**
- * 004 ��Ÿ���� ����
- * 
- * @author: Choi Minseo
- * @param {number} a
- * @param {number} b
- * @return {number} The length of the hypotenuse when each side is a, b in a right triangle
- * 
- */
-exports.pytagoras = function (a, b) {
-    return ((a * a + b * b) ** 0.5)
-}
diff --git a/src/2d/triangle/triangle.js b/src/2d/triangle/triangle.js
index 30cc091..4f7de1f 100644
--- a/src/2d/triangle/triangle.js
+++ b/src/2d/triangle/triangle.js
@@ -1,3 +1,16 @@
+/**
+ * 004 ��Ÿ���� ����
+ * 
+ * @author: Choi Minseo
+ * @param {number} a
+ * @param {number} b
+ * @return {number} The length of the hypotenuse when each side is a, b in a right triangle
+ * 
+ */
+ export function pytagoras(a, b) {
+    return ((a * a + b * b) ** 0.5)
+}
+
 /**
  * 008 ���� �ﰢ���� ����
  * 
@@ -8,7 +21,7 @@
  * @return {number} Area of triangle using angle
  * 
  */
-exports.triangleAreaAngle = function (a, b, t) {
+export function triangleAreaAngle(a, b, t) {
     return (0.5 * a * b * (Math.sin(t)))
 }
 /**
@@ -20,7 +33,7 @@ exports.triangleAreaAngle = function (a, b, t) {
  * @return {number} Area of right triangle with each side a and b
  * 
  */
-exports.rtria = function (a, b) {
+export function rtria(a, b) {
     return (0.5 * a * b)
 }
 /**
@@ -32,9 +45,10 @@ exports.rtria = function (a, b) {
  * @return {number} The length of an isosceles triangle with equal side a and base b
  * 
  */
-exports.quadtria = function (a, b) {
+export function quadtria(a, b) {
     return (a / 4 * (4 * b * b - a * a) ** 0.5)
 }
+
 /**
  * 006 ����� ����
  * 
@@ -45,7 +59,7 @@ exports.quadtria = function (a, b) {
  * @return {number} Heron's formula
  * 
  */
-exports.heron = function (a, b, c) {
+export function heron(a, b, c) {
     let cosTheta = ((a * a) + (b * b) - (c * c)) / (2 * a * b)
     let sinTheta = Math.sqrt(1 - (cosTheta ** 2))
     return (a * b * sinTheta) / 2
@@ -75,7 +89,7 @@ exports.heron = function (a, b, c) {
  * @return {number} The center of gravity of the triangle using the coordinates of the vertices
  * 
  */
-exports.centerGravity = function (a1, a2, b1, b2, c1, c2) {
+export function centerGravity(a1, a2, b1, b2, c1, c2) {
     return ((a1 + b1 + c1) / 3)((a2 + b2 + c2) / 3)
 }
 /**
@@ -86,7 +100,7 @@ exports.centerGravity = function (a1, a2, b1, b2, c1, c2) {
  * @return {number} a plus b
  * 
  */
-exports.equilateralTriangleArea = function (a) {
+export function equilateralTriangleArea(a) {
     return 3 ** 0.5 / 4 * a * a
 }
 /**
@@ -98,6 +112,6 @@ exports.equilateralTriangleArea = function (a) {
  * @return {number} a plus b
  * 
  */
-exports.equilateralTriangleHeight = function (a) {
+export function equilateralTriangleHeight(a) {
     return (3 ^ 0.5 / 2 * a)
 }
diff --git a/src/3d/cone/cone.js b/src/3d/cone/cone.js
index b931dc4..180537b 100644
--- a/src/3d/cone/cone.js
+++ b/src/3d/cone/cone.js
@@ -7,7 +7,7 @@
  * @return {number} The surface area of cone
  * 
  */
-exports.coneArea = function (r, h) {
+export function coneArea(r, h) {
     return (((Math.PI) * r * (((r ** 2) + (h ** 2)) ** 0.5)) + ((Math.PI) * (r ** 2)))
 }
 /**
@@ -19,6 +19,6 @@ exports.coneArea = function (r, h) {
  * @return {number} The volume of cone
  * 
  */
-exports.coneVolume = function (r, h) {
+export function coneVolume(r, h) {
     return ((1 / 3) * (Math.PI) * (r ** 2) * h)
 }
diff --git a/src/3d/cube/cube.js b/src/3d/cube/cube.js
index 6bab290..b41dd64 100644
--- a/src/3d/cube/cube.js
+++ b/src/3d/cube/cube.js
@@ -6,7 +6,7 @@
  * @return {number} The volume of cube
  * 
  */
-exports.cubeVolume = function (a) {
+export function cubeVolume(a) {
     return (a ** 3)
 }
 
@@ -18,7 +18,7 @@ exports.cubeVolume = function (a) {
  * @return {number} The surface area of cube
  * 
  */
-exports.cubeArea = function (a) {
+export function cubeArea(a) {
     return (6 * (a ** 2))
 }
 
@@ -32,7 +32,7 @@ exports.cubeArea = function (a) {
  * @return {number} The volume of cuboid
  * 
  */
-exports.cuboidVolume = function (a, b, c) {
+export function cuboidVolume(a, b, c) {
     return (a * b * c)
 }
 
@@ -46,7 +46,7 @@ exports.cuboidVolume = function (a, b, c) {
  * @return {number} The surface area of cuboid
  * 
  */
-exports.cuboidArea = function (a, b, c) {
+export function cuboidArea(a, b, c) {
     return (2 * ((a * b) + (b * c) + (c * a)))
 }
 
@@ -60,6 +60,6 @@ exports.cuboidArea = function (a, b, c) {
  * @return {number} a plus b
  * 
  */
-exports.cuboidDiagonal = function (a, b, c) {
+export function cuboidDiagonal(a, b, c) {
     return (((a ** 2) + (b ** 2) + (c ** 2)) ** 0.5)
 }
diff --git a/src/3d/cylinder/cylinder.js b/src/3d/cylinder/cylinder.js
index 0290b96..0351019 100644
--- a/src/3d/cylinder/cylinder.js
+++ b/src/3d/cylinder/cylinder.js
@@ -7,7 +7,7 @@
  * @return {number} The surface area of cylinder
  * 
  */
-exports.cylinderArea = function (r, h) {
+export function cylinderArea(r, h) {
     return ((2 * (Math.PI) * r * h) + (2 * (Math.PI) * (r ** 2)))
 }
 /**
@@ -19,6 +19,6 @@ exports.cylinderArea = function (r, h) {
  * @return {number} The volume of cylinder
  * 
  */
-exports.cylinderVolume = function (r, h) {
+export function cylinderVolume(r, h) {
     return ((Math.PI) * (r ** 2) * h)
 }
diff --git a/src/3d/polyhedron/polyhedron.js b/src/3d/polyhedron/polyhedron.js
index 35100a7..c6a22af 100644
--- a/src/3d/polyhedron/polyhedron.js
+++ b/src/3d/polyhedron/polyhedron.js
@@ -8,7 +8,7 @@
  * @return {number} Euler polyhedrob theroem
  * 
  */
-exports.eulerPolyhedronTheorem = function (v, e, f) {
+export function eulerPolyhedronTheorem(v, e, f) {
     if ((v - e + f) === 2) return true
     if ((v - e + f) !== 2) return false
 }
diff --git a/src/3d/pyramid/pyramid.js b/src/3d/pyramid/pyramid.js
index 1caf176..8e7ab0b 100644
--- a/src/3d/pyramid/pyramid.js
+++ b/src/3d/pyramid/pyramid.js
@@ -7,7 +7,7 @@
  * @return {number} The volume of triangular cone
  * 
  */
-exports.triangularPyramidVolume = function (a, h) {
+export function triangularPyramidVolume(a, h) {
     return ((1 / 3) * a * h)
 }
 
@@ -20,7 +20,7 @@ exports.triangularPyramidVolume = function (a, h) {
  * @return {number}  The volume of square pyramid
  * 
  */
-exports.squarePyramidVolume_ah = function (a, h) {
+export function squarePyramidVolume_ah(a, h) {
     return ((1 / 3) * (a ** 2) * h)
 }
 
@@ -33,7 +33,7 @@ exports.squarePyramidVolume_ah = function (a, h) {
  * @return {number} a plus b
  * 
  */
-exports.squarePyramidVolume_ab = function (a, b) {
+export function squarePyramidVolume_ab(a, b) {
     return ((1 / 3) * (a ** 2) * (((b ** 2) - ((a ** 2) / 2)) ** (0.5)))
 }
 
@@ -46,7 +46,7 @@ exports.squarePyramidVolume_ab = function (a, b) {
  * @return {number} The volume of square pyramid
  * 
  */
-exports.squarePyramidArea_ab = function (a, b) {
+export function squarePyramidArea_ab(a, b) {
     return ((a * ((4 * (b ** 2) - (a ** 2)) ** (0.5))) + (a ** 2))
 }
 
@@ -59,7 +59,7 @@ exports.squarePyramidArea_ab = function (a, b) {
  * @return {number} The surface area of square pyramid
  * 
  */
-exports.squarePyramidArea_ah = function (a, h) {
+export function squarePyramidArea_ah(a, h) {
     return ((a * ((4 * (h ** 2) - (a ** 2)) ** (0.5))) + (a ** 2))
 }
 
@@ -72,6 +72,6 @@ exports.squarePyramidArea_ah = function (a, h) {
  * @return {number} The height of square pyramid
  * 
  */
-exports.squarePyramidHeight = function (a, b) {
+export function squarePyramidHeight(a, b) {
     return (((b ** 2) - ((a ** 2) / 2)) ** (0.5))
 }
diff --git a/src/3d/sphere/sphere.js b/src/3d/sphere/sphere.js
index d5d3a65..b1248fe 100644
--- a/src/3d/sphere/sphere.js
+++ b/src/3d/sphere/sphere.js
@@ -6,7 +6,7 @@
  * @return {number} The surface area of sphere
  * 
  */
-exports.sphereArea = function (r) {
+export function sphereArea(r) {
     return (4 * (Math.PI) * (r ** 2))
 }
 /**
@@ -17,6 +17,6 @@ exports.sphereArea = function (r) {
  * @return {number} THe volume of sphere
  * 
  */
-exports.sphereVolume = function (r) {
+export function sphereVolume(r) {
     return ((4 / 3) * (Math.PI) * (r ** 2))
 }
diff --git a/src/3d/tetrahedron/tetrahedron.js b/src/3d/tetrahedron/tetrahedron.js
index aa2b3e5..77ca581 100644
--- a/src/3d/tetrahedron/tetrahedron.js
+++ b/src/3d/tetrahedron/tetrahedron.js
@@ -1,12 +1,12 @@
 // 056 �����ü�� �ѳ��� ����//
-exports.tetrahedronArea = function (a) {
+export function tetrahedronArea(a) {
     return ((3 ** (0.5)) * (a ** 2))
 }
 // 057 �����ü�� ���� ����//
-exports.tetrahedronHeight = function (a) {
+export function tetrahedronHeight(a) {
     return (((2 / 3) ** (0.5)) * a)
 }
 // 055 �����ü�� ���� ����//
-exports.tetrahedronVolume = function (a) {
+export function tetrahedronVolume(a) {
     return (((2 ** (0.5)) / 12) * (a ** 3))
 }
diff --git a/src/angle/angle.js b/src/angle/angle.js
index 756f538..f7c0b5f 100644
--- a/src/angle/angle.js
+++ b/src/angle/angle.js
@@ -6,6 +6,6 @@
  * @return {number} Convert radian to degree
  * 
  */
-exports.radToDegree = function (rad) {
+export function radToDegree(rad) {
     return rad * 180 / Math.PI
 }
diff --git a/src/calc/calc.js b/src/calc/calc.js
index 594b871..08caf3d 100644
--- a/src/calc/calc.js
+++ b/src/calc/calc.js
@@ -7,7 +7,7 @@
  * @return {number} a + b
  * 
  */
-exports.plus = function (a, b) {
+export function plus(a, b) {
     return a + b
 }
 /**
@@ -19,7 +19,7 @@ exports.plus = function (a, b) {
  */
 exports.pi = Math.PI
 
-exports.round = function (a) {
+export function round(a) {
     return Math.round(a)
 }
 /**
@@ -31,7 +31,7 @@ exports.round = function (a) {
  * @return {number} (a, b)
  * 
  */
-exports.pow = function (a, b) {
+export function pow(a, b) {
     return Math.pow(a, b)
 }
 /**
@@ -43,7 +43,7 @@ exports.pow = function (a, b) {
  * @return {number} a ^ b
  * 
  */
-exports.caret = function (a, b) {
+export function caret(a, b) {
     return a ** b
 }
 /**
@@ -55,7 +55,7 @@ exports.caret = function (a, b) {
  * @return {number} a / b
  * 
  */
-exports.divide = function (a, b) {
+export function divide(a, b) {
     return a / b
 }
 /**
@@ -67,7 +67,7 @@ exports.divide = function (a, b) {
  * @return {number} gcd
  * 
 */
-exports.gcd = function (a, b) {
+export function gcd(a, b) {
     if (b === 0) {
         return a
     } else {
@@ -82,7 +82,7 @@ exports.gcd = function (a, b) {
  * @return {number} IsInRange
  * 
  */
-exports.isinrange = function (a, b) {
+export function isinrange(a, b) {
     let g = function (x) {
         if (a <= x && x <= b) {
             return true
@@ -101,7 +101,7 @@ exports.isinrange = function (a, b) {
  * @return {number} a - b
  * 
  */
-exports.minus = function (a, b) {
+export function minus(a, b) {
     return a - b
 }
 /**
@@ -113,7 +113,7 @@ exports.minus = function (a, b) {
  * @return {number} a * b
  * 
  */
-exports.multiply = function (a, b) {
+export function multiply(a, b) {
     return a * b
 }
 /**
@@ -125,7 +125,7 @@ exports.multiply = function (a, b) {
  * @return {number} Area of triangle given base and height
  * 
  */
-exports.triangleAreaSide = function (a, h) {
+export function triangleAreaSide(a, h) {
     return (0.5 * a * h)
 }
 /**
@@ -136,7 +136,7 @@ exports.triangleAreaSide = function (a, h) {
  * @return {number} change a to radian
  * 
  */
-exports.radian = function (a) {
+export function radian(a) {
     return 2 * Math.PI * a
 }
 /**
@@ -148,7 +148,7 @@ exports.radian = function (a) {
  * @return {number} random number from a to b
  * 
  */
-exports.random = function (a, b) {
+export function random(a, b) {
     var ranNum = Math.floor((Math.random() * b) + a)
     return ranNum
 }
@@ -162,7 +162,7 @@ exports.random = function (a, b) {
  * 
  */
 
-function Root() { // �Լ��ƴ� ������Ÿ����
+export function Root() { // �Լ��ƴ� ������Ÿ����
     this.get = function (val, digit_) {
         let digit = digit_ || 10
         return parseFloat((val ** 0.5).toFixed(digit))
@@ -181,6 +181,6 @@ exports.root = new Root()
  * @return {number} root a
  * 
  */
-exports.sqrt = function (a) {
+export function sqrt(a) {
     return Math.sqrt(a)
 }
diff --git a/src/calculus/calculus.js b/src/calculus/calculus.js
index 06e4b5a..fc44296 100644
--- a/src/calculus/calculus.js
+++ b/src/calculus/calculus.js
@@ -6,7 +6,7 @@
  * @return {number} Diff
  * 
  */
-exports.diff = function (f, density = 5) {
+export function diff(f, density = 5) {
     let dx = 2 * (10 ** (-density))
     let dy = (x) => f(x + (10 ** (-density))) - f(x - (10 ** (-density)))
 
@@ -20,7 +20,7 @@ exports.diff = function (f, density = 5) {
  * @return {number} Integral
  * 
  */
-exports.integral = function (f, density = 5) {
+export function integral(f, density = 5) {
     let g = (a, b) => {
         let sum = 0
         for (let k = a; k < b; k += 10 ** (-density)) {
diff --git a/src/equation/equation.js b/src/equation/equation.js
index fb6864b..9d14723 100644
--- a/src/equation/equation.js
+++ b/src/equation/equation.js
@@ -8,7 +8,7 @@
  * @return {number} Root formula
  * 
  */
-exports.rootFormula_plus = function (a, b, c) {
+export function rootFormula_plus(a, b, c) {
     return ((-b + (((b ** 2) - (4 * a * c)) ** 0.5)) / (2 * a))
 }
 
@@ -22,7 +22,7 @@ exports.rootFormula_plus = function (a, b, c) {
  * @return {number} Root formula
  * 
  */
-exports.rootFormula_minus = function (a, b, c) {
+export function rootFormula_minus(a, b, c) {
     return ((-b - (((b ** 2) - (4 * a * c)) ** 0.5)) / (2 * a))
 }
 
@@ -36,7 +36,7 @@ exports.rootFormula_minus = function (a, b, c) {
  * @return {number} Root formula(even root)
  * 
  */
-exports.rootFormula_EvenPlus = function (a, b, c) {
+export function rootFormula_EvenPlus(a, b, c) {
     return ((-(0.5 * b) + ((((0.5 * b) ** 2) - (a * c)) ** 0.5)) / a)
 }
 
@@ -50,7 +50,7 @@ exports.rootFormula_EvenPlus = function (a, b, c) {
  * @return {number} Root formula(even root)
  * 
  */
-exports.rootFormula_EvenMinus = function (a, b, c) {
+export function rootFormula_EvenMinus(a, b, c) {
     return ((-(0.5 * b) - ((((0.5 * b) ** 2) - (a * c)) ** 0.5)) / a)
 }
 
@@ -65,7 +65,7 @@ exports.rootFormula_EvenMinus = function (a, b, c) {
  * @return {number} Relation of root and coefficient
  * 
  */
-exports.rootAndCoefficient = function (a, b, c, type) {
+export function rootAndCoefficient(a, b, c, type) {
     if (type === 1) return -(b / a)
     if (type === 2) return (b / c)
 }
@@ -81,7 +81,7 @@ exports.rootAndCoefficient = function (a, b, c, type) {
  * @return {number} Root formula of cubic equation
  * 
  */
-exports.cubicEquation_first = function (a, b, c, d) {
+export function cubicEquation_first(a, b, c, d) {
     let x = (((0.5 * ((2 * (b ** 3) - (9 * a * b * c) + (27 * (a ** 2) * d) + (((2 * (b ** 3) - (9 * a * b * c) + (27 * (a ** 2) * d)) ** 2) - 4((b ** 2) - 3 * a * c) ** 3) ** 0.5))) ** (1 / 3)))
     let y = (((0.5 * ((2(b ** 3) - (9 * a * b * c) + (27 * (a ** 2) * d) - (((2 * (b ** 3) - (9 * a * b * c) + (27 * (a ** 2) * d)) ** 2) - 4((b ** 2) - 3 * a * c) ** 3) ** 0.5))) ** (1 / 3)))
     return -(b / (3 * a)) - ((1 / (3 * a)) * x) - ((1 / (3 * a)) * y)
diff --git a/src/matrix/matrix.js b/src/matrix/matrix.js
index d8e6a83..a8e565b 100644
--- a/src/matrix/matrix.js
+++ b/src/matrix/matrix.js
@@ -6,7 +6,7 @@
  * @return {number} LUDecompostion of matrix
  * 
  */
-exports.LUDecomposition = function (matrix) {
+export function LUDecomposition(matrix) {
     if (matrix.length !== matrix[0].length) {
         console.log('��� ���� ũ�Ⱑ ���� ����')
         return
@@ -58,7 +58,7 @@ exports.LUDecomposition = function (matrix) {
  * @return {number} Solves System of linear equations.
  * 
  */
-exports.Cramer = function (mat) {
+export function Cramer(mat) {
     let B = []
     let X = []
 
@@ -102,7 +102,7 @@ exports.Cramer = function (mat) {
  * @return {number} LQDecomposition
  * 
  */
-exports.LQDecomposition = function (mat, iterationCount = 1000) {
+export function LQDecomposition(mat, iterationCount = 1000) {
     let AT = exports.transpose(mat)
 
     AT = exports.QRDecomposition(AT, iterationCount)
@@ -122,7 +122,7 @@ exports.LQDecomposition = function (mat, iterationCount = 1000) {
  * @return {number} Determinant
  * 
  */
-exports.determinant = function (matrix) {
+export function determinant(matrix) {
     if (matrix.length !== matrix[0].length) {
         return
     }
@@ -158,7 +158,7 @@ exports.determinant = function (matrix) {
  * @return {number} Finding Multiple Roots of Function.
  * 
  */
-exports.Durand_Kerner = function (f, rootsNumber = 1, iterationCount = 15) {
+export function Durand_Kerner(f, rootsNumber = 1, iterationCount = 15) {
     let roots = []
     for (let i = 0; i < rootsNumber; i++) {
         roots.push(i + 1)
@@ -186,7 +186,7 @@ exports.Durand_Kerner = function (f, rootsNumber = 1, iterationCount = 15) {
  * @return {number} Eigendecomposition of a matrix.
  * 
  */
-exports.EigenVectorDecomposition = function (mat, iterationCount = 100) {
+export function EigenVectorDecomposition(mat, iterationCount = 100) {
     let V = []
     for (let i = 0; i < mat[0].length; i++) {
         V.push(exports.randomVector(mat.length, 1))
@@ -278,7 +278,7 @@ exports.EigenVectorDecomposition = function (mat, iterationCount = 100) {
  * @return {number} Gaussian elimination
  * 
  */
-exports.gaussian = function (matrix, m, n) {
+export function gaussian(matrix, m, n) {
     let X = []
     for (let i = 0; i < matrix.length; i++) {
         X.push([])
@@ -313,7 +313,7 @@ exports.gaussian = function (matrix, m, n) {
  * @return {number} Gauss–Seidel method.
  * 
  */
-exports.Gauss_Seidel = function (mat, iterationCount = 15) {
+export function Gauss_Seidel(mat, iterationCount = 15) {
     let x = []
 
     for (let i = 0; i < mat.length; i++) {
@@ -343,7 +343,7 @@ exports.Gauss_Seidel = function (mat, iterationCount = 15) {
  * @return {number} houseHolder
  * 
  */
-exports.houseHolder = function (mat) {
+export function houseHolder(mat) {
     function SG(N) {
         if (N < 0) {
             return -1
@@ -404,7 +404,7 @@ exports.houseHolder = function (mat) {
     }
 }
 
-exports.QRDecomposition = function (mat) {
+export function QRDecomposition(mat) {
     function sqrtDotProduct(row1, row2) {
         let res = 0
         for (let i = 0; i < row1.length; i++) {
@@ -480,7 +480,7 @@ exports.QRDecomposition = function (mat) {
  * @return {number} IdentityMatrix
  * 
  */
-exports.IdentityMatrix = function (n) {
+export function IdentityMatrix(n) {
     let res = []
     for (let i = 0; i < n; i++) {
         res.push([])
@@ -503,7 +503,7 @@ exports.IdentityMatrix = function (n) {
  * @return {number} InverseMatrix
  * 
 */
-exports.InverseMatrix = function (A) {
+export function InverseMatrix(A) {
     if (exports.determinant(A) === 0) {
         return null
     }
@@ -542,7 +542,7 @@ exports.InverseMatrix = function (A) {
  * @return {number} Matrix subtraction of matrixA and matrixB
  * 
  */
-exports.matrixAdd = function (matrixA, matrixB) {
+export function matrixAdd(matrixA, matrixB) {
     if (matrixA.length !== matrixB.length || matrixA[0].length !== matrixB[0].length) {
         console.log('����� ũ�� ����ġ')
         return
@@ -566,7 +566,7 @@ exports.matrixAdd = function (matrixA, matrixB) {
  * @return {matrix} Matrix product of matrixA and matrixB
  * 
  */
-exports.matrixMultiply = function (matrixA, matrixB) {
+export function matrixMultiply(matrixA, matrixB) {
     if (matrixA[0].length !== matrixB.length) {
         console.log('�߸��� ��İ� ������ ũ��')
         return
@@ -597,7 +597,7 @@ exports.matrixMultiply = function (matrixA, matrixB) {
  * @return {number} Matrix scalar product
  * 
  */
-exports.matrixScalaMultiplation = function (matrix, k) {
+export function matrixScalaMultiplation(matrix, k) {
     let res = []
     for (let i = 0; i < matrix.length; i++) {
         res.push([])
@@ -618,7 +618,7 @@ exports.matrixScalaMultiplation = function (matrix, k) {
  * @return {number} Matrix sum of matrixA and matrixB
  * 
  */
-exports.matrixSub = function (matrixA, matrixB) {
+export function atrixSub(matrixA, matrixB) {
     if (matrixA.length !== matrixB.length || matrixA[0].length !== matrixB[0].length) {
         console.log('����� ũ�� ����ġ')
         return
@@ -641,7 +641,7 @@ exports.matrixSub = function (matrixA, matrixB) {
  * @return {number} normalization
  * 
  */
-exports.normailze = function (row) {
+export function normailze(row) {
     return exports.matrix_scala_multiplation(row, 1 / exports.sqrtDotProduct(row, row))
 }
 
@@ -654,7 +654,7 @@ exports.normailze = function (row) {
  * @return {matrix} outterProduct_matrix
  * 
  */
-exports.outterProduct_matrix = function (u, v) {
+export function outterProduct_matrix(u, v) {
     return exports.matrixmultiply(u, exports.transpose(v))
 }
 
@@ -666,7 +666,7 @@ exports.outterProduct_matrix = function (u, v) {
  * @return {number} SingularValueDecomposition
  * 
  */
-exports.SingularValueDecomposition = function (mat, iterationCount = 2) {
+export function SingularValueDecomposition(mat, iterationCount = 2) {
     let M = mat;
     let VT = [];
     let Sigma = [];
@@ -696,7 +696,7 @@ exports.SingularValueDecomposition = function (mat, iterationCount = 2) {
  * @return {number} sqrtDotProduct
  * 
  */
-exports.sqrtDotProduct = function (row1, row2) {
+export function sqrtDotProduct(row1, row2) {
     let res = 0
     for (let i = 0; i < row1.length; i++) {
         res += row1[i] * row2[i]
@@ -713,7 +713,7 @@ exports.sqrtDotProduct = function (row1, row2) {
  * @return {number} trace
  * 
  */
-exports.trace = function (matrix) {
+export function trace(matrix) {
     let res = 0
     for (let i = 0; i < matrix.length; i++) {
         res += matrix[i][i]
@@ -729,7 +729,7 @@ exports.trace = function (matrix) {
  * @return {number} transpose
  * 
  */
-exports.transpose = function (mat) {
+export function transpose(mat) {
     let res = []
 
     for (let i = 0; i < mat[0].length; i++) {
diff --git a/src/others/others.js b/src/others/others.js
index 7cae938..87008a5 100644
--- a/src/others/others.js
+++ b/src/others/others.js
@@ -7,7 +7,7 @@
  * @return {random}
  * 
  */
-exports.ACORN = function (seed = new Date().getTime(), moduloPower = 60, order = 10) {
+export function ACORN(seed = new Date().getTime(), moduloPower = 60, order = 10) {
     let M = 2 ** moduloPower
 
     let temp = 0 + (seed.toString().split('').reverse().join(''))
@@ -49,7 +49,7 @@ exports.ACORN = function (seed = new Date().getTime(), moduloPower = 60, order =
  * @return Newton's method
  * 
  */
-exports.newtonsMethod = function (f, count, initx = 2) {
+export function newtonsMethod(f, count, initx = 2) {
     function diff(f, x, density = 5) {
         const dx = 2 * (10 ** -density)
         const dy = f(x + (10 ** -density)) - f(x - (10 ** -density))
diff --git a/src/progress/progress.js b/src/progress/progress.js
index 3731e34..6fcafba 100644
--- a/src/progress/progress.js
+++ b/src/progress/progress.js
@@ -8,7 +8,7 @@
  * @return {number} Arithmetic progression
  
  */
-exports.arithmeticProgression = function (a, d, n) {
+export function arithmeticProgression(a, d, n) {
     return (a + (n - 1) * d)
 }
 
@@ -22,7 +22,7 @@ exports.arithmeticProgression = function (a, d, n) {
  * @return {number} Arithmetic progression
  
  */
-exports.arithmeticProgression_n = function (d, n, s) {
+export function arithmeticProgression_n(d, n, s) {
     return (s - (n - 1) * d)
 }
 
@@ -36,7 +36,7 @@ exports.arithmeticProgression_n = function (d, n, s) {
  * @return {number} Arithmetic progression
  
  */
-exports.arithmeticProgression_d = function (a, n, s) {
+export function arithmeticProgression_d(a, n, s) {
     return ((s - a) / (n - 1))
 }
 
@@ -50,7 +50,7 @@ exports.arithmeticProgression_d = function (a, n, s) {
  * @return {number} Arithmetic progression
  
  */
-exports.arithmeticProgressionSum_Term = function (a1, an, n) {
+export function arithmeticProgressionSum_Term(a1, an, n) {
     return (((a1 + an) / 2) * n)
 }
 
@@ -64,7 +64,7 @@ exports.arithmeticProgressionSum_Term = function (a1, an, n) {
  * @return {number} Arithmetic progression
  
  */
-exports.arithmeticProgressionSum = function (a1, n, d) {
+export function arithmeticProgressionSum(a1, n, d) {
     return ((((2 * a1) + ((n - 1) * d)) / 2) * n)
 }
 
@@ -78,7 +78,7 @@ exports.arithmeticProgressionSum = function (a1, n, d) {
  * @return {number} Geometric progression
  
  */
-exports.geometricProgression_a = function (an, n, r) {
+export function geometricProgression_a(an, n, r) {
     return (an / (r ** n))
 }
 
@@ -92,7 +92,7 @@ exports.geometricProgression_a = function (an, n, r) {
  * @return {number} Geometric progression
  
  */
-exports.geometricProgression_n = function (an, a, r) {
+export function geometricProgression_n(an, a, r) {
     return Math.log(an / a) / Math.log(r)
 }
 
@@ -106,7 +106,7 @@ exports.geometricProgression_n = function (an, a, r) {
  * @return {number} Geometric progression
  
  */
-exports.geometricProgress_r = function (an, a, n) {
+export function geometricProgress_r(an, a, n) {
     return ((an / a) ** (1 / n))
 }
 
@@ -120,7 +120,7 @@ exports.geometricProgress_r = function (an, a, n) {
  * @return {number} Geometric progression
  
  */
-exports.geometricProgression_an = function (a, n, r) {
+export function geometricProgression_an(a, n, r) {
     return (a * (r ** n))
 }
 
@@ -133,7 +133,7 @@ exports.geometricProgression_an = function (a, n, r) {
  * @param {number} n
  * @return {number} Sum of geometric progression 
  */
-exports.geometricProgressionSum = function(a, r, n) {
+export function geometricProgressionSum(a, r, n) {
     return a * (1 - (r**n)) / (1 - r)
 }
 
@@ -145,7 +145,7 @@ exports.geometricProgressionSum = function(a, r, n) {
  * @param {number} r
  * @return {number} Sum of infinite geometric progression
  */
-exports.geometricProgressionInfinitySum = function (a, r) {
+export function geometricProgressionInfinitySum(a, r) {
     return a / (1 - r)
 }
 
@@ -157,7 +157,7 @@ exports.geometricProgressionInfinitySum = function (a, r) {
  * @param {number} k 
  * @return {number} Sum of progress which number is consisted of consecutive numbers
  */
-exports.sigma = function (n, k) {
+export function sigma(n, k) {
     return (((1 / 2) * n * (n + 1)) - ((1 / 2) * k * (k + 1)))
 }
 
@@ -169,7 +169,7 @@ exports.sigma = function (n, k) {
  * @param {number} k 
  * @return {number} Sum of progress which number is consisted of the squares of numbers 
  */
-exports.sigmaSquare = function (n, k) {
+export function sigmaSquare(n, k) {
     return (((1 / 6) * n * (n + 1) * ((2 * n) + 1)) - ((1 / 6) * k * (k + 1) * ((2 * k) + 1)))
 }
 
@@ -181,7 +181,7 @@ exports.sigmaSquare = function (n, k) {
  * @param {number} k 
  * @return {number} Sum of progress which number is consisted of the cubic number 
  */
-exports.sigmaCube = function (n, k)  {
+export function sigmaCube(n, k)  {
     return (((1 / 4) * (n ** 2) * ((n + 1) ** 2)) - ((1 / 4) * (k ** 2) * ((k + 1) ** 2)))
 }
 
@@ -190,7 +190,7 @@ exports.sigmaCube = function (n, k)  {
  * @param {number} x 
  * @return {number} Infinite series (the denominator is n! and the numerator is x to the power of k)
  */
-exports.infiniteSeries_1 = function (x) {
+export function infiniteSeries_1(x) {
     return (Math.E ** x)
 }
 
@@ -199,7 +199,7 @@ exports.infiniteSeries_1 = function (x) {
  * @param {number} x 
  * @return {number} Infinite series (The denominator is n! and the numerator is k times x to the power of k)
  */
-exports.infiniteSeries_2 = function (x) {
+export function infiniteSeries_2(x) {
     return (x * (Math.E ** x))
 }
 
@@ -208,7 +208,7 @@ exports.infiniteSeries_2 = function (x) {
  * @param {number} x 
  * @return {number} Infinite series (x to the power of k, |x| < 1)
  */
-exports.infiniteSeries_3 = function (x) {
+export function infiniteSeries_3(x) {
     if (x > 1 || x < -1 || x == 1 || x == -1) {
         console.log('Check |x| < 1')
     }
@@ -222,7 +222,7 @@ exports.infiniteSeries_3 = function (x) {
  * @param {number} x 
  * @return {number} Infinite series (k times x to the power of k, |x| < 1)
  */
-exports.infiniteSeries_4 = function (x) {
+export function infiniteSeries_4(x) {
     if (x > 1 || x < -1 || x == 1 || x == -1) {
         console.log('Check |x| < 1')
     }
@@ -241,7 +241,7 @@ exports.infiniteSeries_4 = function (x) {
  * @return Taylor series
  * 
  */
-exports.taylor = function (f, a, count) {
+export function taylor(f, a, count) {
     let diffs = [(x) => f(a)]
     let taylors = []
     let fact = [1]
@@ -291,6 +291,6 @@ exports.taylor = function (f, a, count) {
  * @return {number} Maclaurin series
  * 
  */
-exports.maclaurin = function (f, count) {
+export function maclaurin(f, count) {
     return exports.taylor(f, 0, count)
 }
diff --git a/src/vector/vector.js b/src/vector/vector.js
index 45129c5..714e35c 100644
--- a/src/vector/vector.js
+++ b/src/vector/vector.js
@@ -1,12 +1,12 @@
 /**
- *  225 Ramdom vector
+ *  225 Random vector
  *
  * @author: DPS0340
  * @param {string} len
  * @return {number}
  * 
  */
-exports.randomVector = function (len, norm = 1) {
+export function randomVector(len, norm = 1) {
     let x = []
 
     let currentNorm = 0