**The rank of the matrix** will be calculated right on the webpage, with output of all results and comments in between, you just need to fill all of the proposed forms and click the [Next-->] button.
The calculating process will be displayed as detailed as possible.
If this is the

**first time** you're using our service, then we recommend you to learn

the rules about form filling.

Also see : about the service.
To calculate the rank, enter matrix sizes and the

number representation.