⏱ Timed roundsRace against the clock. Solve as many problems as possible before time runs out.
🎯 Choose operatorsSelect +, −, ×, ÷ or mix them all for maximum challenge.
🌟 Difficulty levels1–5 digit numbers. Adjust difficulty to match your skill level.
🏆 High scoreEnter your name, beat your personal best and compete for the top spot.
Speedy Calculus is a fast-paced mental arithmetic game. The interface is language-independent – all numbers, buttons and inputs work the same in any language.