What is this calculator?
Add or multiply two 2 × 2 matrices.
What can you use it for?
Use it when solving an exercise, checking a result, or working with the particular quantities shown in this form. Add or multiply two 2 × 2 matrices.
How to use it
- Enter matrix a (four comma-separated values).
- Enter matrix b (four comma-separated values).
- Enter operation.
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
Product entry C(i,j) = Σ A(i,k) × B(k,j)
Inputs are two 2×2 matrices. Values are entered row by row.
Worked example
Matrix A (four comma-separated values): 1,2,3,4, Matrix B (four comma-separated values): 5,6,7,8, Operation: Addition. The result is 6 , 8 10 , 12 (result matrix).
Assumptions and limits
2 × 2 matrices only, entered row by row.
Frequently asked questions
What inputs does the Matrix Calculator need?
Use matrix a (four comma-separated values), matrix b (four comma-separated values), operation. Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Matrix Calculator?
2 × 2 matrices only, entered row by row.