>>>Islam can never contribute>>> You seem to be more knowldegebale than science historians -Propbabaly you got your collge degree from Fox news coroporation or from faith freedom international(???) association of morons
Just read this prestigious Mathematical Association of Americas director Keith devlin
This is from the MAA website itself
maa.org/devlin/devlin_0708_02.html
Do you know who is keith devlin? He is not a joker who bluffs in rediff forums without having any sense of history
See his profile in standford stanford.edu/~kdevlin/