MathJS 5.0.0 已发布，Math.js 是个 JavaScript 和 Node.js 的扩展数学库，包括了灵活的表达式解析器，提供数字，大数值，复杂数值，单位，矩阵等等集成的解决方案，强大又易于使用。
更新内容：
Implemented complex conjugate transpose math.ctranspose.
Changed the behavior of A' (transpose) in the expression parser to calculate the complex conjugate transpose.
Added support for complex({abs: 1, arg: 1}), and improved the docs on complex numbers.
Renamed eye to identity
Math.js code can now contain ES6. The ES6 source code is moved from lib to src, and lib now contains the compiled ES5 code.
Upgraded dependencies:
Changed code style to https://standardjs.com/, run linter on npm test. See #1110.
Dropped support for bower. Use npm or an other package manages instead.
Dropped support for (non-primitive) instances of Number, Boolean, and String from functions clone and typeof.
Dropped official support for IE9 (probably still works, but it's not tested).
Fixed #851: More consistent behavior of sqrt, nthRoot, and pow.
Fixed #1103: Calling toTex on node that contains derivative causing an exception.
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