Take a look at MInverse in in-built help.
Rgds,
ScottO

"Angelo" wrote in message
...
| I have a matrix, lets say 59 down and 59 across. I want to be able
to
| calculate a inverted matrix, but i can't, and i don't know how can
i finish
| this problem. It's urgent,
|
| Thank you all for helping me..
| Angelo Campelo