Is there an open source formula language?

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mathjs

22 14,027 9.2 JavaScript

An extensive math library for JavaScript and Node.js

What about math.js? It has an expression parser that looks pretty nice.

Power-Fx

15 3,112 9.6 C#

Power Fx low-code programming language

Take a look at https://github.com/microsoft/Power-Fx ! It’s a language heavily based on excel’s formula language, and the open source interpreter can be used for simple expressions at the moment.

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