mongoose-float

This library can solve one well known problem with JavaScript Number arithmetic imprecise, when, for example, 3.3 * 3 becomes 9.899999999999999, ugly.

fixed-round

Math.round with fixed, formats a number using fixed-point notation and returns a number.

strnumber

这是一个数字计算类,用于解决js浮点数运算精度丢失和大数运算的问题,封装了常用的加减乘除计算方法,还包括toFixed方法,实例支持链式调用计算方法,计算方法也可以在静态方法中调用。