Ahmed Ayman Messages 11 Reaction score 3 Thread starter Nov 13, 2018 #1 Hello guys my name is ahmed and I've just started my college years I hope you all have a good day !
anorlunda Staff Emeritus Science Advisor Homework Helper Insights Author Messages 11,327 Reaction score 8,758 Nov 13, 2018 #2 Welcome to PF ahmed .