PCalc 3 for Mac OS X

A fully featured scientific calculator with support for hexadecimal, octal and binary calculations, as well as an RPN mode, parentheses, programmable functions, and an extensive set of unit conversions.

PCalc for iPhone

Based on our popular calculator for the Macintosh, PCalc has been redesigned from the ground up to give the best handheld experience.

It's PCalc in your pocket!