00390    a2200145   4500020001500000082001300015100002200028245002900050260005800079300002100137440003300158650001600191700002000207700001700227  a0858595257  a510bFIT  aFitzpatrick, J.B.  aChange and approximation  aVictoriabHeinemann educational Australiac1989g1989  axi, 416p.c27cm.  aHeinemann senior mathematics  aMathematics  aGalbraith, P.L.  aHenry, Bruce