Calculator

A simple calculator that gets out of your way. Calculator is a clean, easy app made for the math you do every day — from splitting bills and calculating tax to checking homework and leaving a tip. Big buttons and a stylish, distraction-free design mean you get your answer in seconds, every time. *Ads appear at the bottom of the screen. If you prefer an ad-free experience, you can remove them with a one-time in-app purchase. Everyday calculations • Basic arithmetic: +, −, ×, ÷ and percentage • Constant calculation — tap = again to repeat your last operation • Calculation history to review past results • Memory buttons (MC, MR, M+, M−) — toggle on or off in Settings • Keep app open to prevent your calculation from being interrupted • Your last calculation is kept when you reopen the app Display & input • Scientific notation for very large or very small numbers • Four number formats (1,234.5 / 1 234,5 / 1.234,5 / 1'234.5) • See your full calculation on screen as you type • Backspace — tap to erase the last digit; long-press to clear the current number • Long-press the result to copy, paste, or share it • Works in portrait and landscape Math functions • Square root (√), pi (π), square (x²), and reciprocal (1/x) • Turn the function row on or off in Settings Make it yours • 3 keypad layouts: Standard, Stylish, Ergonomic • 14 color themes, including a custom Material color • Dark mode available • Vibration on touch (on/off) • Button tap sound (on/off) Found a bug or have a suggestion? We'd love to hear from you: support@tricolorcat.com Thank you!