2x2/3x3 add, multiply, determinant, inverse, transpose.. Matrix Calculator is a free online tool from the ToolsRift Math Calculators collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
Enter the matrix values, choose an operation such as multiply, determinant or inverse, and the result matrix or value is shown.
2×2 and 3×3 matrices for addition, multiplication, determinant, inverse and transpose.
It indicates whether a matrix is invertible — a determinant of zero means no inverse exists.
Using the adjugate divided by the determinant, valid only when the determinant is non-zero.