Latorre kreider Proctor creator text USA Charles river 1996 monographic xiii,636 p. : ill. ; 23.5 cm. + Floppy Disk. Include index. Mathematics HP-48G/GX investigations in mathematics Mathematics--Data processing HP-48G (Calculator) HP-48GX (Calculator) Engineering mathematics--Data processing FBSH 510.28541 LAT 9781886801233 (pbk) 1886801231 (pbk)