PCalc
TLA Systems Ltd.
Utilities iPhone · iPad
The feature-rich scientific calculator for scientists, engineers, students, and programmers. Includes RPN mode, unit conversions, constants, and extensive customization options.
Features
- Optional RPN mode with multi-line display
- Extensive unit conversions and scientific constants
- Hexadecimal, octal, and binary calculations
- Paper tape and multiple undo/redo
- Apple Watch app for calculations on your wrist