Add, subtract, multiply, transpose and find the determinant of 2–4×2–4 matrices — with dimension validation, 100% in your browser.
Rows A
Cols A
Rows B
Cols B
Matrix A
Matrix B
Set the rows/columns of A and B (2–4), choose an operation and click Calculate. Add/Subtract need identical dimensions; Multiply needs A's columns = B's rows; Determinant needs a square A. All math runs locally in your browser.