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PCalc Lite

TLA Systems Ltd.

4.4(14)UtilitiesAges 4+

Get it free on the App StoreOpens Apple's App Store

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About this app

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.PCalc Lite is a fully functional and free taste of our very popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design. A great choice for your new iPad! If you like what you see, the full version has many more settings and themes, a paper tape, engineering and scientific notation, and full support for hexadecimal, octal, and binary calculations. You can also now purchase extra features directly from inside PCalc Lite. Buy them individually, or buy everything. Includes an Apple Watch app, so you can calculate on your wrist!

What's new

Version 3.15.2 · Oct 24, 2026

Improved support for iPhone Duo. Improved the grid view layout for the functions, conversions, and constants. Added a few more missing conversion units. Fixed a bug with the trigonometry functions. Fixed the app icons on older OS versions.

In-app purchases

The most popular purchases on the App Store.

  • Conversion PackConsumable$19.00
  • Multiple Line PackConsumable$19.00
  • Theme PackConsumable$19.00
  • Power User PackConsumable$19.00
  • Complete PackConsumable$199.00
  • Engineer PackConsumable$69.00
  • Programmer PackConsumable$69.00
  • Small TipConsumable$19.00
  • Medium TipConsumable$39.00
  • Enormous TipConsumable$199.00

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