Expression Calculator

It allows multiple line input. Recent calculated results can be viewed and selected for further modification.

Math operands are + - * / ^ %.

Math functions are abs() sin() cos() tan() cotan() ln() log10() log(a,b) sign() truncate() pow(a,b).

Math pi=3.1415926...

If the expression incudes variable x it should be assigned with value for example with expression (x+5) the entry will be (x+5); x=3