An online calculator to find the inverse of 3 by 3 matrices.
How to use the calculator
1 - Enter the elements of the matrix as real numbers and press "enter". If by mistake characters other than numbers are entered, the calculator does not display any answer. The answer has the form of a real number of the form 1/d times a matrix.
When the determinant of a matrix is equal to zero, that matrix has no inverse and "no inverse" is displayed.
More on
The Inverse of a Square Matrix
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