I was trying to do some gravitational calculations but I found several different values for G. Does anybody know what is the most accurate and current value? Isaac __________________________________________________ Fale com seus amigos de gra=E7a com o novo Yahoo! Messenger=20 http://br.messenger.yahoo.com/=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .