PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations. Includes an Apple Watch app, so you can calculate on your wrist!
Version 3.15.2 • Oct 24, 2026
Improved support for iPhone Duo. Improved the grid view layout for the functions, conversions, and constants. Added a few more missing conversion units. Fixed a bug with the trigonometry functions. Fixed the app icons on older OS versions.
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