Matrix Calculator

Matrix operations are mechanical but unforgiving: one misplaced entry in a multiplication or a sign slip in a determinant throws off the entire result. For 2x2 and 3x3 matrices, that's exactly the kind of careful bookkeeping a tool should handle. This calculator adds, multiplies, and finds determinants so you can focus on the problem rather than the arithmetic.

Enter your matrix values, pick an operation, and the tool returns the result. It's free, runs in your browser, and needs no signup. Whether you're checking linear algebra homework, working through a physics problem, or just need a reliable answer, it handles the row-and-column grind that's so easy to fumble by hand.