Every row and column uses each number once - and every outlined cage must hit its target with +, -, x or /.
Cross Math Calm is the thinking person's number grid: pure logic with a pinch of arithmetic, from friendly 4x4 to fiendish 7x7.
FEATURES
- Four sizes, rising difficulty
- Cage clues turn red the moment they break
- Pencil notes and a daily grid
- Uniquely solvable, always
QUIET BY DESIGN
- No account needed
- Works offline
- No ad interruptions
- Your progress stays on your device