"Natural numbers are better for your health."
Recommended contact is my e-mail address firstname.lastname@example.org.Tweets by @maty_as
"Wherever there is number, there is beauty." -Proclus Lycaeus
When I was preparing my instruction and examination I had to generate many exercises. To save some time of my colleagues I decided to prepare a big set of systems of linear equations. Feel free to use any of theese exercises and I'd be happy if you spread the link to this page to your friends.