How to fill out.
Before entering the components of the matrix, set its
size using the appropriate fields with the drop-down list. The maximum size
of the matrix is 10х10. After setting the size of the matrix, fill out
its elements. To change the value of an element of the matrix click on it. After
entering all the elements of the matrix, click on "Solve".
To enter a simple fraction, use the "/" button, to enter a decimal fraction, use ".".
Example
To input the matrix $(\table 0, 4, -5/3, 0.9; 1/9, -5, 6, -3/7)$ you need to fiil out the form as follows: