PCalc Lite
TLA Systems Ltd. Utilities iPhoneiPadiPod touchApple Watch
PCalc Lite is a free Utilities app for iPhone and iPad by TLA Systems Ltd. Rated 4.4/5 from 213 ratings. Requires iOS 15.0. Updated March 12, 2026.
- Rating
- 4.4
- 213 ratings
- Price
- Free
- on the App Store
- Size
- 76 MB
- Age 4+
- Updated
- Mar 12
- 2026 · v3.14.4
Screenshots
About PCalc Lite
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!
Ratings & reviews
4.4
213 ratings
What’s new
Version 3.14.4 · Updated March 12, 2026
Menus are more consistent with the macOS version. Fixed a problem speaking negative numbers. Fixed a problem displaying overflows. With the "Power User Pack" installed: Added an option to use woodworking fractions, in the Advanced settings. Added an option to use the Indian numbering system for thousands separators, in the Advanced settings. Added an option to ignore trailing operators, on by default, in the Advanced settings. Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings. The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes. With the "Theme Pack" installed: Added an option to allow all themes for dark or light mode, in the Theme settings. Added an option to hide any gloss effects on the display, in the Theme settings. The user interface mode setting is now independent of the theme mode setting. Fixed a problem with the user interface dark mode settings. With the "Conversion Pack" installed: Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions. Added "tau" to the constants. You can now use combinations and permutations in user functions and conversions. Now show a preview image when picking an SF Symbol. With the "Engineer Pack" or "Programmer Pack" installed: Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor. Added "tau" as a 2nd function of "pi" in most layouts. Improved the layout editor with all the commands and keyboard shortcuts from the macOS version. You can now edit buttons to display any SF Symbol as an image.
App privacy
The developer, TLA Systems Ltd., reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Other Diagnostic Data
Used for: Analytics, App Functionality
Alternatives to PCalc Lite
Looking for apps like PCalc Lite? Here are 6 similar apps on the App Store. The highest rated is Solves: Calculator for All (4.9/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| PCalc Lite | 4.4 / 5 (213 ratings) | Free | March 12, 2026 | |
| Calcbot 2 | 4.7 / 5 (11,111) | Free | Oct 6, 2026 | Compare |
| Solves: Calculator for All | 4.9 / 5 (382) | Free | Oct 3, 2026 | Compare |
| Numerical³ | 4.8 / 5 (1,341) | Free | Oct 7, 2026 | Compare |
| Calc Pro - The Best Calculator | 4.6 / 5 (4,718) | Free | Oct 10, 2026 | Compare |
| Calculator + | 4.6 / 5 (10,209) | Free | Oct 3, 2026 | Compare |
| Calculator Plus v2 | 4.7 / 5 (133) | Free | Oct 5, 2024 | Compare |
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