Highly interesting on Fractals !!!

[armincopp]

Comments

[bambache]

Related to the number PI I can recommend the book I am currently reading, the story of PHI aka Golden Ratio:

https://books.google.com/books/about/The_Golden_Ratio.html?id=bUARfgWRH14C

[armincopp]

Ah great
THX :)