Chi Writer , WordStar , Word , WordPerfect 5.2 ), spreadsheets (e.g. Quattro Pro , Lotus 1-2-3 ), programming languages (e.g. MASM , BASIC , Pascal , Fortran ), high quality graphic editors (e.g. Harvard Graphics ), statistical analysis packages (e.g. SAS , SANEST), networking (e.g. LanNetwork ), Unix , etc.