iOS Universal Utilities

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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!

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What's New

Improved support for iOS 12 and watchOS 5.
Added full support for Apple Watch Series 4.
Added the ability to create custom buttons that open a URL. They can run Siri Shortcuts, or talk to any app that supports the x-callback-url protocol.
Added initial support for x-callback-url interapplication communication.
Use [x-register], [y-register], or [m-register] in URLs and that text will be replaced by the appropriate value when the URL is opened.
If you set the x-success parameter for any x-callback-url to "pcalc://x-callback-url/set" (suitably encoded) it will set the display with the result.
Set the x-error parameter for any x-callback-url to "pcalc://x-callback-url/error" and it will flash "Error" on the display if there is a problem.


148Apps PCalc RPN Calculator

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