TY - BOOK AU - Jorgensen,Carolyn TI - Mastering 1-2-3 SN - 0895883376 (pbk.) : AV - HF5548.4.L67 J67 1986 U1 - 005.36/9 19 PY - 1986/// CY - Delhi PB - B.P.B. Publications KW - Lotus 1-2-3 (Computer file) KW - Business KW - Computer programs KW - Electronic spreadsheets N1 - On t.p. the registered trademark symbol "TM" is superscript following "3" in the title; One folded col. chart inserted; Includes index ER -