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.

What's New:

Version 4.9.2

• You can now show multiple lines in the menu bar widget.
• You can now duplicate button layouts between categories, for example to copy a phone layout to the widget.
• You can now set the C / AC behaviour of a button in the layout editor.
• The widget now uses the same display font as the main app.
• Added a warning when you switch on RPN mode for the first time.
• Fixed a problem with layouts being scrambled at startup.
• Fixed a problem with conversions performed in the widget not showing up properly on the tape.
• Fixed a problem with editing that caused function and constant buttons to reset.
• Fixed a problem syncing the tax rate between the app and widget.
• Fixed a problem setting the tax rate in the widget.
• Fixed a problem with the "Mode" button not working.

Screenshots:

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