PCalc | Indie App Catalog

PCalc

The Best Calculator

James Thomson

App Store

TestFlight (Full)

Screenshots

Description

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!

Release Notes

Added support for iOS 27, iPadOS 27, and watchOS 27. Added support for iPhone Duo and other new devices. Added an optional grid view layout for the conversions, functions, and constants. Added a "Data Rate" section to the conversions. Powers are now worked out from the right, so 2 ^ 3 ^ 2 is 512. Operator precedence now follows mathematical convention more closely. Rounding and truncating are now consistent throughout the app. Fixed a problem with the percentage button. Fixed a problem with the "Last X" button. Fixed a crash with damaged settings files. Fixed a crash with speech when any "Enhanced" or "Premium" voices were installed. Fixed a variety of other small bugs and edge cases.

October 19, 2026 • v3.15All release notes

App Details

Size	367.4 MB
Initial release	February 8, 2019
Price
Platforms	Apple Watch, iPhone, Apple Vision, and iPad
Languages	English
Category	Utilities
Website	pcalc.com/iphone

Compatibility
iPhone	Requires iOS 15.0 or later.
iPad	Requires iPadOS 15.0 or later.
Apple Vision	Requires visionOS 1.0 or later.
Apple Watch	Requires watchOS 9.0 or later.