Online Matrix Calculator to do matrix algebra, calculate matrix expressions containing up to eight matrices including complex matrices. Solve linear systems of equations with real or complex coefficients. Add, multiply and divide (multiply by inverse of) compatible matrices. Calculate determinant, inverse and adjugate of square matrices. Use Gaussian elimination to reduce matrices to lower triangular, upper triangular and reduced row echelon forms. Complete instruction
Set the number of rows or columns of a matrix by pressing the numbers appearing on the left or above the selected matrix, respectively. You can also add rows or add columns by pressing the relevant + button. The matrix calculator remembers your settings for all matrices.
Click onto view error massage, if any.