Identity Matrix (2x2)
Matrix Size: 2x2; a11: 1; a12: 0; a21: 0; a22: 1; a13: 0; a23: 0; a31: 0; a32: 0; a33: 0
Determinant (3x3): 0; Determinant (2x2): 1; Determinant: 1
Matrix Determinant Calculator
Math0.0(0)
Calculates the determinant of a square matrix.
More tools:Math & Statistics Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Matrix Size, a11, a12, a21, a22, a13, a23, a31, a32, and a33 in the units shown.
Step 2
Read Determinant (3x3), Determinant (2x2), and Determinant in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Simple 2x2
Matrix Size: 2x2; a11: 2; a12: 1; a21: 3; a22: 4; a13: 0; a23: 0; a31: 0; a32: 0; a33: 0
Determinant (3x3): 0; Determinant (2x2): 5; Determinant: 5
Zero Matrix (3x3)
Matrix Size: 3x3; a11: 0; a12: 0; a21: 0; a22: 0; a13: 0; a23: 0; a31: 0; a32: 0; a33: 0
Determinant (3x3): 0; Determinant (2x2): 0; Determinant: 0
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