gwcalc is a front-end for the Wcalc command line calculator. Its main features are menu access to all functions defined in Wcalc, menu access to a huge number of constants defined in Wcalc, intuitive entry of formulas, easy editing and 're-evaluation', and easy conversion between decimal, hex, octal, and binary, both in input and output. It works with fractional numbers in all bases, is very configurable, and is easy to use.
