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!
Various improvements to the watchOS app.
You can now swipe down on the number buttons in the watch app for quicker access to the operators.
Added an option to display the x register value on the watch corner complications.
Added an option to display the watch complication icons in black and white.
You can now rotate the icon and tap to throw bananas in the watch About screen.
Added "Pascal Mode" to the watch complications.