MatrixCalc is a fast and simple online tool to perform matrix calculations for learning, homework, and engineering work. Enter values for Matrix A and Matrix B, choose the matrix size (rows × columns), and get results instantly for common matrix operations.

Key Features

• Two matrices (A & B): Work with both matrices side-by-side.

• Flexible dimensions: Change rows and columns as needed.

• Binary operations (A & B):

  • A + B (Addition)

  • A − B and B − A (Subtraction)

  • A × B and B × A (Multiplication)

• Unary operations (single matrix):

  • Determinant

  • Inverse

  • Transpose

  • Rank

  • Square (A²) (for square matrices)

How to Use

1. Select the dimensions (rows × columns) for Matrix A and B.

2. Type your numbers into the matrix cells.

3. Choose an operation:

   • Use Binary Operations for A & B together (like A×B).

   • Use Unary Operations for one matrix (Active Matrix).

4. View the result instantly.

Where It Helps (Uses)

• Students & Teachers: Verify answers, practice linear algebra, and understand matrix rules.

• Engineering & Science: Solve transformations, systems of equations (with matrix methods), and model real-world problems.

• Computer Graphics: Use matrix multiplication for 2D/3D transformations (rotate, scale, translate concepts).

• Data/ML Basics: Matrices are core to linear regression, PCA, and many numerical computations.

Notes

• Addition/Subtraction: Matrices must be the same size.

• Multiplication: Columns of the first matrix must match rows of the second.

• Determinant/Inverse: Only for square matrices; inverse exists only when determinant ≠ 0.