23 de may 1978 visicalc By yolanda mari May 23, 1978 visicalc Aug 8, 1978 EXEL May 13, 1984 STAR O FFICCE se empieza Jun 26, 1986 LOTUS 1-2-3 Aug 12, 1988 G NUMERIC Mar 23, 1996 QUETRO PRO Dec 13, 2000 KSPREAD Dec 11, 2005 NUMBERS
