accurate
v1.5.8
Published
An precision calculation for JavaScript and Node.js. supports numbers, decimals, strings, arrays, matrices and expression. 解决 JavaScript 与 Node.js 精度计算（小数、浮点数计算精度）问题。支持数字、小数、字符串、数组、矩阵和表达式。
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Readme
Accurate · 
- Accurate is an precision calculation for JavaScript and Nodejs. supports numbers, decimals, strings, arrays, multidimensional array and expression.
- 解决 JavaScript 与 Node.js 精度计算（浮点数计算精度）问题。支持数字、小数、字符串、数组、多维数组和表达式。
Browsers support
| IE / Edge | Firefox | Chrome | Safari | iOS Safari | Opera | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | IE8+ Edge+ | last 10 versions | last 10 versions | last 2 versions | last 2 versions | last 2 versions |
Install
npm i accurate -S
or
yarn add accurateFeatures
Supports numbers, decimals, strings, arrays and multidimensional array.
Contains arithmetic expression parser.
Runs on any JavaScript engine.
Is easily extensible.
Open source.
支持数字、小数、字符串、数组和多维数组。
包含算术表达式解析器。
运行在任何 JavaScript 引擎。
易于扩展。
开源的。
Usage
import accurate, {
add, addition, subtract, subtraction, multiply, mul, multiplication, division, divide, modulo, modulus, expr
} from 'accurate'
or
const accurate, {
add, addition, subtract, subtraction, multiply, mul, multiplication, division, divide, modulo, modulus, expr
} = require('accurate'). add（加法）
>
1.1 + 0.3 + 0.1
accurate.add(1.1, 0.3, 0.1)
addition(1.1, 0.3, 0.1)
<-
1.5000000000000002
1.5
1.5. subtract（减法）
>
1.1 - 0.2 - 0.1
accurate.subtract([1.1, 0.2, 0.1])
subtraction([1.1, 0.2, 0.1])
<-
0.8000000000000002
0.8
0.8. multiply（乘法）
>
1.1 * 0.1 * 0.2
accurate.multiply([1.1, [0.1, 0.2]])
accurate.mul([1.1, [0.1, 0.2]])
multiplication([1.1, [0.1, 0.2]])
<-
0.022000000000000006
0.022
0.022
0.022. division（除法）
>
1.1 / 10 / 2
accurate.division([1.1, 10], 2)
accurate.divide([1.1, 10], 2)
<-
0.05500000000000001
0.055
0.055. modulo（取模）
>
1.1 % 1
accurate.modulo(1.1, 1)
accurate.modulus(1.1, 1)
<-
0.10000000000000009
0.1
0.1. expr（表达式）
const a = 0.3
const b = 0.1
>
0.3 - 0.1
accurate.expr(`${a}-${b}`)
<-
0.19999999999999998
0.2>
((1.1+0.3)*4+2*3)/(1.1%0.3-1*0.1)-1*5
accurate.expr('((1.1+0.3)*4+2*3)/(1.1%0.3-1*0.1)-1*5')
accurate.expr('((1.1 + 0.3) * 4 + 2 * 3) / (1.1 % 0.3 - 1 * 0.1) - 1 * 5')
<-
110.99999999999987
111
111