00309nam a2200121Ia 4500082002400000100002100024245006200045250000800107260004000115300002200155500000500177700000500182  aRb518.5425 W861.MS  aWolfram, Stephen  aMathematica; a system for doing mathematics by computerb  a2nd  aMassachusettsbAddison-Wesleyc1991  axxii, 961p. Index  a  a