00451nam a22001337i 4500001001000000005001700010008004100027082002200068100002500090245009100115260004900206300001700255650004500272SXC01983920260819093654.0260101s1977    ii            000 0 eng d  a621.381 WYL-C222  aWyld, B A; Bell, D A10aCalculator revolution: How to make the most of your calculator /cWyld, B A; Bell, D A  abWhite Lion Publishers Ltd., Toronto,c1977  ap. ;c22 cm. 0aElectronics engineering; Applied physics