File: CURVES.BAS (BASIC and variants)
File: ECLIPSE.BAS (BASIC and variants)
File: EPOCH.BAS (BASIC and variants)
File: JULIAN.BAS (BASIC and variants)
File: MAP.BAS (BASIC and variants)
File: MBASIC.CPM (Probably text)
File: PLANETS.BAS (BASIC and variants)
File: RNDGEN.BAS (BASIC and variants)
File: SIDTIME.BAS (BASIC and variants)
File: WLDTIME.BAS (BASIC and variants)