PCalc 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.
Now with support for iCloud and Retina displays!
PCalc for the iPad, iPhone, and iPod touch
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 at your fingertips!
Now with full support for 64-bit devices and iOS 7!