Matrix Calculator
Linear algebra workhorse up to 4×4 with cofactor-exact determinant and inversion.
Matrix A
Matrix B
Determinant of A
10
Inverse of A
0.6-0.7-0.20.4
Transpose of A
4276
A × scalar
814412
A × B
39143212
How the Matrix Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Frequently Asked Questions
How does the Matrix Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Matrix Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.
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