Calculator, converter and more.

Look for Calculator on your home screen after installing the app.

• Deep customization: themes, number formatter and etc.
• No ads, in-app purchases or asking for donations
• Open source

Calculator
• Home screen widget
• Copy, paste, save and share expression results
• Trigonometric functions
• Fractional output
• Optional Indian numbering system

Unit converter
• 601 units
• Home screen widget
• Currency converter (uses internet)
• Favorite units
• Organize unit groups
• Smart search algorithm

Date calculator
• Add and subtract dates
• Calculate difference
• Create events in calendar

Time converter
• Add to favorites
• Add labels to time zones

Body mass index
• Get instant and accurate results

Permissions
INTERNET ("full network access")
Used in Unit Converter to update currency rates. Requests are made only when you select a currency unit.

android.permission.VIBRATE ("allows access to the vibrator")
Used for haptic feedback on button presses. Make sure your Touch feedback is enabled in device settings.

ACCESS_NETWORK_STATE ("view network connections")
Used in Unit Converter as a callback. Retries to update currency rates if there was an error (no network, for example) and the Internet connection is back.

WAKE_LOCK ("prevent device from sleeping")
Not used explicitly in code. Added automatically by Widget feature.

android.permission.RECEIVE_BOOT_COMPLETED ("run at startup")
Not used explicitly in code. Added automatically by Widget feature.

android.permission.FOREGROUND_SERVICE ("run foreground service")
Not used explicitly in code. Added automatically by Widget feature.

You can always check the source code and build the app yourself: https://github.com/sadellie/unitto
Permissions and Data? Visit: https://github.com/sadellie/unitto/security/
Try web: https://sadellie.github.com/unitto/app

Sad Ellie

Additional Information