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PCalc Lite - The Best Free Calculator

By TLA Systems Ltd.

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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.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 in Version 3.6.2

Rounding is now back to the "Nearest or Even" rule by default, by popular demand.

With the "Power User Pack" installed:
Added a new "Rounding" section to the Advanced settings, which controls the display, as well as the behaviour of the "Round" button.
Added an option to the Apple Watch app to stop it automatically switching back to the number pad.
Fixed a problem with the "Fraction" display mode on 32-bit devices.


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Customer Reviews

Please Change 42 Icon!

So far I love this app! I got it specifically to use on my my Apple Watch. I love that it's easy to see and use on such a tiny screen. I also chose it because in addition to being a regular calculator, I can use it to convert money during travel and measurements while cooking.

My request, though, is for the developers to please consider redesigning the icon so it looks like a calculator. With all the tiny "complications" already on my watch, seeing a "42" icon just doesn't register to me as a being calculator.

Excellent Application

This is an excellent application in many ways. You have the opportunity to load only those features you want while skipping those that you would never use. The buttons are big and easy to use. Not only that, but the RPN app works flawlessly in my Apple Watch. Keep up the good work! I can't say enough good things!

The Best

I've been using this calculator for years. It's fantastic. The ability to:

-Calculate in hex, decimal and binary
-Perform common logic operations
-Scroll through history
-Reverse calculation steps
-Save custom functions
-Save custom constants
-Modify themes
-Modify button size and layout

Are just the beginning of how multifaceted this app really is. I would not recommend any other calculator app beside this.

The lite version can be fully upgraded through inapp purchase. And I kind of prefer the orange icon over then blue ;)

PCalc Lite - The Best Free Calculator
View in iTunes
This app is designed for both iPhone and iPad
Offers Apple Watch App for iPhone
  • Free
  • Category: Utilities
  • Updated:
  • Version: 3.6.2
  • Size: 36.3 MB
  • Apple Watch: Yes
  • Language: English
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions:

Top In-App Purchases

  1. Conversion Pack$0.99
  2. Complete Pack$9.99
  3. Multiple Line Pack$0.99
  4. Power User Pack$0.99
  5. Engineer Pack$2.99
  6. Theme Pack$0.99
  7. Programmer Pack$2.99