gl-vec3
gl-matrix's vec3, split into smaller pieces
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。
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.
string-math
Evaluates the result of the String arithmetical expression
