Matrices show up everywhere — computer graphics, statistics, physics, economics and school algebra. This calculator handles the everyday operations for 2×2 and 3×3 matrices: determinant, inverse, transpose, addition, subtraction and multiplication. Edit any cell and the result updates instantly.
For the inverse, the tool uses the adjugate method and checks the determinant first. If the determinant is zero the matrix is singular, which means it has no inverse — the tool tells you instead of showing a misleading answer.
Why is my inverse empty? The matrix is not invertible because its determinant is zero.
Does multiplication order matter? Yes. A × B is not the same as B × A in general.
Is my data private? Yes. Nothing leaves your browser.