Volkan's profile - karma

Volkan's karma change log

0 -10 how to find the center of a circle ( 2015-03-28 09:19:41 -0600 )

0 -10 How to recognize elips like a circle ( 2015-03-26 16:33:35 -0600 )

0 -10 How to recognize elips like a circle ( 2015-03-25 06:07:44 -0600 )