Matrix Calculator
Add, subtract, and multiply matrices while computing determinants for each matrix.
Matrix A
Matrix B
Matrix A
Matrix B
Result
What is a Matrix Calculator?
A matrix calculator performs arithmetic operations on matrices—rectangular arrays of numbers. It supports addition, subtraction, and multiplication, and computes determinants which reveal important properties about each matrix.
How to Use
- Select the matrix size (2×2 or 3×3) using the tabs.
- Choose the operation: Addition, Subtraction, or Multiplication.
- Enter all values for Matrix A and Matrix B.
- Click Calculate to see the result matrix and determinants.
Frequently Asked Questions
What is a determinant?
A determinant is a scalar value derived from a square matrix. It indicates whether the matrix is invertible and appears in many linear algebra formulas.
Can I multiply matrices of different sizes?
This calculator supports same-size square matrices only (2×2 and 3×3) for all operations.
How is matrix multiplication performed?
Each element in the result is the dot product of the corresponding row from the first matrix and column from the second matrix.
Is this calculator free?
Yes, BestCalc calculators are completely free and run entirely in your browser.