2×2 Matrix Calculator
Determinant, inverse, product and eigenvalues of 2×2 matrices.
Matrix A
Matrix B
-2
det(A)
5
tr(A)
[[19, 22], [43, 50]]
A × B
[[6, 8], [10, 12]]
A + B
5.37, -0.37
Eigenvalues
[[-2, 1], [1.5, -0.5]]
A⁻¹
About this tool
Plug in two 2×2 matrices — the tool returns sums, products, determinants, inverses (if non-singular), transposes and eigenvalues. Useful for linear-system warm-ups and graphics transforms.