00282nam a2200109 a 450000500170000000800410001704100080005810000160006624500590008226400230014130000080016420260717092002.0260717s2004    ii            000 0 eng d  aeng1 aWallis.W.D.12aA Beginners Guide to Finite Mathematics /cWallis.W.D. 1bBirkhauser,c2004.  a354