Hello everyone !

I just released a small crate, caldyn, which is a dynamic calculator and mathematical expressions evaluator.

The idea is to allow to evaluate user-provided mathematical expressions with user-provided variables, turning `"a + 3*b"`

and `b=1 && a=5`

into `8.0`

. The mathematical language provides the usual operators: `+ - * / ^`

(`^`

is exponentiation), as well as math functions `sin cos tan exp ln sinh cosh tanh ...`

. The variables are stored into a context, which also support lazy computation of values.

You can install a command line calculator `calc`

using caldyn for evaluation with `cargo install caldyn --example calc`

.

If you have any question, comments or suggestion, I'll be happy to take them!