Solving a Variable Equation defined by the User

Question

Answers in C, Python, C++ or Javascript would be very much appreciated. I\'ve read a few books, done all the examples. Now I\'d like to write a simple program. But, I already ra

Answer 1

There isn't a simple way to do this in C but I think muParser may be useful to you, it is written in C++ but has C binding. ExprTk is also an option but looks like it is C++ only, on the plus side it looks much easier to get interesting results with.

Another option may be the Expression Evaluation which is part of Libav. It is in C and the eval.h header has some good descriptions of the interface.