wcalc - 2.5-3+b3 main

Wcalc is a very capable calculator. It has standard functions
(sin, asin, and sinh for example, in either radians or degrees),
many pre-defined constants (pi, e, c, etc.), support for using
variables, "active" variables, a command history, hex/octal/binary
input and output, unit conversions, embedded comments, and an
expandable expression entry field. It evaluates expressions using
the standard order of operations.
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Wcalc uses intuitive expressions. For example, Wcalc will evaluate:
5sin 4!-7*2(4%6)^2 to be -221.96631678