A Sass implementation of mathematical functions.
git clone [email protected]:terkel/mathsass.git && cd mathsass
bower install mathsass --save-dev
npm install mathsass --save-dev
Import dist/_math.scss
partial to the Sass document.
@import "path/to/dist/math";
.content {
height: 200px;
width: 200px / tan(60deg); // 115.47005px
}
If you installed via Npm the path will be: node_modules/mathsass/dist/math
If you installed via Bower the path will be: bower_components/mathsass/dist/math
$E
- Euler's constant (ネイピア数 [オイラー数])$PI
- π (円周率)$LN2
- The natural logarithm of 2 (2 の自然対数)$SQRT2
- The square root of 2 (2 の平方根)
pow($base, $exp)
@debug pow(4, 2); // 16
@debug pow(4, -2); // 0.0625
@debug pow(4, 0.2); // 1.31951
fact($x)
@debug fact(4); // 24
@debug fact(8); // 40320
sqrt($x)
@debug sqrt(2); // 1.41421
@debug sqrt(3); // 1.73205
exp($x)
frexp($x)
ldexp($x, $exp)
@debug exp(-1); // 0.36788
@debug exp(0); // 1
@debug exp(1); // 2.71828
log($x, $b: null)
@debug log(2); // 0.69315
@debug log(10); // 2.30259
@debug log(2, 10); // 0.30103
sin($x)
- Sine (正弦)cos($x)
- Cosine (余弦)tan($x)
- Tangent (正接)csc($x)
- Cosecant (余割)sec($x)
- Secant (正割)cot($x)
- Cotangent (余接)
If argument has deg
unit, converted to rad
.
@debug tan(0.5236); // 0.57735
@debug tan(30deg); // 0.57735
asin($x)
- Arcsine (逆正弦)acos($x)
- Arccosine (逆余弦)atan($x)
- Arctangent (逆正接)atan2($y, $x)
- Arctangent of the quotient of its arguments (引数の比率での逆正接)
@debug atan2(0, 0); // 0
@debug atan2(0, -0.0); // 3.14159
@debug atan2(-0.0, 0); // 0
@debug atan2(-0.0, -0.0); // -3.14159
strip-unit($number)
deg-to-rad($deg, $unit: true)
rad-to-deg($rad, $unit: true)
unitless-rad($angle)
@debug rad-to-deg(1.0472); // 60.00014deg
@debug deg-to-rad(60deg); // 1.0472rad
@debug deg-to-rad(60deg, false); // 1.0472
@debug unitless-rad(60deg); // 1.0472
@debug unitless-rad(1.0472rad); // 1.0472
- adambom/Sass-Math · GitHub
- Team-Sass/Sassy-math · GitHub
- Math - JavaScript | MDN
- 404 Blog Not Found:javascript - Mathを再発明してみた
- C言語による最新アルゴリズム事典
…and Wikipedia articles:
- Exponentiation, 冪乗 (累乗)
- Factorial, 階乗
- Square root, 平方根
- Exponential function, 指数関数
- Logarithm, 対数
- Trigonometric functions, 三角関数
- Inverse trigonometric functions, 逆三角関数
- Degree (angle), 度 (角度)
- Radian, ラジアン
Make sure you have node.js and grunt installed.
Clone Repository
git clone [email protected]:terkel/mathsass.git
Install Dependencies
npm install
Run Sass/Tests
grunt
Originally created with help from @kaminaly and @pilssalgi.
Copyright (c) 2013 Takeru Suzuki Licensed under the MIT license.