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

• Copy, paste, save and share expression results
• Trigonometric functions
• Fractional output

Unit converter

• 590 units
• Built-in currency converter
• 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

Permissions

INTERNET
Used in Unit Converter to update currency rates. Requests are made only when you select a currency unit.

ACCESS_NETWORK_STATE
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.