IntCalc for Mac OS X


An RPN calculator, loosely based on the ancient HP16 programmer's calculator.

It can display and switch between any of the common number bases, and therefore can serve as a hex calculator, or hexadecimal conversion calculator, a hex to decimal calculator, an octal to hexidecimal converter, etc.

Features include:

See IntCalc in the Mac app store.

Macintosh desktop calculator

Macintosh desktop calculator