Calculator

Calculator is a fast, focused calculator for everyday and scientific math — with a built-in unit and currency converter, searchable calculation history, and complete privacy. No account, no ads, no tracking.

FEATURES
• Standard mode: arithmetic, parentheses, percentages, square root
• Scientific mode: sin, cos, tan, ln, log, powers, square root, π and e
• Degrees or radians, selectable per calculation
• High-precision decimal calculations
• Live expression display as you type

CONVERTER
• Currency conversion with live exchange rates
• Works offline using a locally stored rate snapshot
• Unit conversion: Length, Weight, Temperature, Volume

HISTORY
• Every calculation is saved automatically
• Search your past calculations
• Copy an expression or result, or delete entries you don't need
• Clear all history in one action, with confirmation

CUSTOMIZE
• Light, Dark, or System theme
• Keep screen on during long calculations
• Default angle unit for scientific mode
• App language independent of device language (Android 13+): English, Dutch, German, French, Spanish

PRIVACY
No account or login required. Calculations and history are stored only on your device and are never uploaded. There is no tracking, no analytics, and no ad network. The app connects to the internet only to refresh currency exchange rates.