iOS Universal Utilities
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!
Added some new digit styles.
Fixed a crash at startup on iPadOS 14.
Fixed a crash when rapidly tapping the toolbar buttons on iPadOS 14.
148Apps —PCalc RPN Calculator