math-exntends

Math-Extends 1.0.0

@class MathExtends

@constructor decimal 全局保留位数

@author BaoQiang.Xu

@api

npm install math-extends -d

const MathExtends = require('math-extends')

const math = new MathExtends(2)

math.$add(num1, num2, ?decimal) 加

math.$sub(num1, num2, ?decimal) 减

math.$mul(num1, num2, ?decimal) 乘

math.$dev(num1, num2, ?decimal) 除