CalculateR - Solve Anything

CalculateR is the calculator your phone should have shipped with. EVERYDAY MATH, INSTANTLY Type naturally - see results live as you type. Percent, sign toggle, and a full calculation history that lives on your device. SCIENTIFIC POWER Rotate your phone and the scientific pad appears: trig and inverse trig in degrees or radians, logarithms, powers, roots, factorials, π, e, and Ans recall. UNIVERSAL CONVERTER Length, weight, temperature, volume, area, speed, time, and data - plus live currency rates for 30+ currencies, cached so they work offline. PRIVATE BY DESIGN No sign-up. No account. Your history never leaves your phone. The only network call is fetching exchange rates. DESIGNED FOR EVERYONE Dark and light themes, haptic feedback, big readable keys, full accessibility labels. Free forever. Always Local.