ljtang2009/cli-colorful-progress

javascript-color-gradient is a lightweight JavaScript library, used to generate an array of color gradients by providing start and finish colors, as well as the required number of midpoints.

Run scripts that set and use environment variables across platforms

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with different data types like numbers, big numbers, complex numbers, fractions, units, and matrices.