CRX id
hefkgoblocmolpjdopdlkamcmbhlionl
hefkgoblocmolpjdopdlkamcmbhlionl
Description from extension meta
A fun mental math game to improve your calculation skills. Choose between basic and advanced modes with adjustable difficulty
Image from store
Description from store
A fast-paced mental calculation game to challenge and improve your math skills. Configure difficulty with adjustable intervals, digits, and modes. Choose between basic (addition) and advanced (addition and subtraction) modes, and test your ability to quickly sum numbers in your head. Perfect for sharpening mental math abilities with fun and engaging gameplay