exact-math

The exact-math is a set of methods for addition, subtraction, multiplication, division, rounding, ceiling, flooring and powering calculations. It can be used with big number as it handles the floating point problem.

accurate

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。