Arithmetic - Mental Math

Build your mental math skills across addition, subtraction, multiplication, and division. Timed drills, a Learn mode, and detailed stats tracking your improvement.

Arithmetic is a fast, focused way to sharpen your mental math. Whether you're learning math for the first time or sharpening your skills, preparing for a quant or casing interview,, or anyone who enjoys keeping their mind sharp, Arithmetic helps you build real speed and accuracy.

PRACTICE THAT ADAPTS TO YOU • Drill addition, subtraction, multiplication, and division — separately or all at once • Set your own number ranges for each operation, from easy to challenging • Choose your session length and race the clock

LEARN MODE • Study operation tables at your own pace • Reversed and shuffled options to test true recall, not a memorized order

SEE YOUR PROGRESS • Detailed statistics scoped to exactly the setup you practiced • Full session history with a per-problem breakdown, so you can spot which facts slow you down

PRIVATE BY DESIGN • No account, no sign-up, no ads • Works completely offline • All your data stays on your device. Nothing is ever collected or uploaded

Simple, clean, and built to make daily practice something you'll actually stick with.