Determinant — 3×3 math game
Click an empty cell, then choose a digit (1–9). Players alternate turns. When the board is full the determinant is computed and scores update.
Turn:
Player A
A:
0
Player A (+) tries to make determinant positive
B:
0
Current determinant (with zeros allowed):
0
Number pad
Undo
Reset Board
New Round (keep totals)
Move history