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!

What’s New

Version 3.10.5

Fixed a problem performing conversions via Siri Shortcuts.

Ratings and Reviews

4.6 out of 5
5 Ratings

5 Ratings

φιλιππος1978 ,


πολυ καλο και το πηρα σε καλη τιμη εχει και widget και με εχει βοηθησει αρκετες φορες

Costis Arzinos ,

Useful features are missing

So many features - some of them completely useless - and other being very useful are missing, such as calculations with degrees, minutes, seconds.

Soutzouk ,


Εξαιρετικό. Άκρως χρήσιμο για όλους τους Μηχανικούς.

App Privacy

The developer, TLA Systems Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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