Matrix Calculator - Add, Multiply, Inverse Online Free
Calculators
4.7
Active
Add, subtract, multiply, invert matrices up to 6x6. Determinant and transpose. Free, no signup.
Updated Oct 25
Use Tool
Tool Interface
Matrix A
Matrix B
Result
How to use
- Choose the matrix size, then type numbers into Matrix A and Matrix B.
- Click an operation. Add, subtract and multiply use both matrices; det, inverse and transpose use Matrix A.
- The inverse uses exact fraction-free math and shows the determinant used.
- Everything runs in your browser. Nothing is uploaded.
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About This Tool
About This Tool
The Trencada Matrix Calculator performs exact matrix math up to 6 by 6: addition, subtraction, multiplication, determinant, inverse, and transpose. It is built for students, engineers, and anyone working through linear algebra. The inverse is computed with Gauss-Jordan elimination and the determinant used is shown for verification.
Key Features
- Add, subtract, and multiply two matrices
- Determinant via LU decomposition with partial pivoting
- Exact matrix inverse with singular-matrix detection
- Transpose any matrix
- Sample matrices and one-click clear
- 100 percent private: all math runs in your browser
How to Use
- Choose the matrix size and type numbers into Matrix A and Matrix B.
- Click an operation. Add, subtract, and multiply use both matrices. Determinant, inverse, and transpose use Matrix A.
- Review the result and the method note underneath.
Category: Calculators
Tool Information
Category
Calculators
Updated
Oct 25
Status
Active
Rating
4.7
Type
Free Tool
20,410 people used this tool
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