Calculator++

Scientific calculator with sleek interface and powerful capabilities

Are you looking for an efficient and easy-to-use calculator?
Do you want to solve both simple and complex problems?
Try Calculator++, a multipurpose calculator app with slick and intuitive user interface!

★ Save your time!
* Access additional features from the main screen of the app using gestures. For example, to use «%» slide button «/» up
* You don't need to press «=» anymore - result is calculated automatically
* Copy/paste with a single button press
* App supports both portrait and landscape screen orientations

★ Personalize!
* C++ has two layouts: standard and engineer. Choose one which suits you best either from the initial wizard or from the application settings
* Set theme you like
* Add home screen widget

★ Do calculations without switching between the apps!
Calculator++ can work in a separate window floating over other applications on your phone

★ Calculate percentages, square roots, powers, trigonometric functions!
Calculator has a big variety of built-in functions and supports adding new user-defined functions

★ Plot 2D and 3D graphs!
Several functions can be plotted simultaneously

★ Use powerful mathematical capabilities of the app:
* Do calculations with variables and constants
* Use built-in functions or add your own
* Integrate and differentiate
* Do calculations with fractions and simplify expressions
* Do calculations with complex numbers

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid

Version 2.3.3 (161) suggested Added on Nov 15, 2023

This version requires Android 5.0 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- This app can appear on top of other apps
  
  This app can appear on top of other apps or other parts of the screen. This may interfere with normal app usage and change the way that other apps appear.
- control vibration
  
  Allows the app to control the vibrator.
Download APK 3.8 MiB PGP Signature | Build Log
Version 2.2.7 (158) - Added on Mar 17, 2020

This version requires Android 4.4 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- This app can appear on top of other apps
  
  This app can appear on top of other apps or other parts of the screen. This may interfere with normal app usage and change the way that other apps appear.
- control vibration
  
  Allows the app to control the vibrator.
- com.android.vending.BILLING
Download APK 2.9 MiB PGP Signature | Build Log
Version 2.2.7 (157) - Added on Mar 16, 2020

This version requires Android 4.4 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- view network connections
  
  Allows the app to view information about network connections such as which networks exist and are connected.
- have full network access
  
  Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
- This app can appear on top of other apps
  
  This app can appear on top of other apps or other parts of the screen. This may interfere with normal app usage and change the way that other apps appear.
- control vibration
  
  Allows the app to control the vibrator.
- com.android.vending.BILLING
Download APK 3.0 MiB PGP Signature | Build Log