math-substitution (npm): [![Coverage Status](https://coveralls.io/repos/github/StephanieCherubin/mathLibrary/badge.svg?branch=master)](https://coveralls.io/github/StephanieCherubin/mathLibrary?branch=master) [![Build Status](https://travis-ci.com/StephanieCherubin/mathLibrary.svg
Keywords: library|math|npm|typescript