Hey... someone questioned that 2 + 2 = 4 and after a brief response from a poster, he continued with the following that honestly nearly made me spit beer on my keyboard :)---Quote---And for the *other* mathematicians out there - yes, I know that things like exponentiation in modulo fields are heavily used in cryptography and other areas. But let’s face it - those are a lot closer to “theoretical masturbation” than any definition of arithmetic that lets you tile your kitchen floor…---End Quote--- (post # 273 http://blogs.discovermagazine.com/ba...s-old/)HA!Pete