A Stamp produced in France in 2001 to celebrate Fermat’s 400th Anniversary

In context of previous post on mathematical problems, it was interesting to carry on, and look at other math issues here. So these links help provide a interesting commentaries, on other math problems, that are interesting and thought provoking.

Fermat was a 17th-century mathematician who wrote a note in the margin of his book stating a particular proposition and claiming to have proved it. His proposition was about an equation which is closely related to Pythagoras’ equation. Pythagoras’ equation gives you:

x² + y² = z²

Dialogos of Eide