Challenge your arithmetic like never before.
Arithmetician puts your brain to the test with pure, uncompromising arithmetic. Each puzzle presents you with a target number and a series of digits. Your mission: use every number exactly once, combine them with the four basic operations, and hit the target.

Every solved challenge feels like cracking a proof — a blend of creativity and rigor. The puzzles scale from deceptively simple to devilishly complex, rewarding deep focus and flexible thinking. Perfect for math enthusiasts, puzzle solvers, and anyone who believes arithmetic is an art form.

Sharpen your skills, push your limits, and discover just how far your number sense can go.