Matrix Calculator
2×2 and 3×3 matrix operations — add, subtract, multiply, determinant, inverse, transpose.
How to Use
- Pick 2×2 or 3×3, enter each cell.
- All operations computed live.
Matrix A
Matrix B (for A+B, A×B)
Results
Formulas
Determinant 2×2
det = ad − bc
Determinant 3×3
cofactor expansion along row 1
Inverse
A⁻¹ = (1/det) · adj(A) — only if det ≠ 0
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