Operands

Swipe symbols and swap numbers to solve each puzzle. Challenge your brain!

Choose your Class of Algorithmic Challenge:
Complete puzzles quicker than average to step up the difficulty. Create a streak of quick solves to progress even faster! Move back down to easier levels if the puzzles get to hard.

Defeat Maths Heroes from Zeno to Archimedes!
Level up past 29 Famous Mathematicians while solving more than 100,000 puzzles. Learn about each Mathematicians contribution as you hone your math reflexes and exercise your grey matter.

Our addictive fun-to-play interface and smooth animations are optimized for all screens.