Outsoftware · Digital preservation · 2016–present
The collection preserves original media and their copy protection. Supplied backup copies are also used to document the software and are identified in the screenshot captions.
Calpac Chemistry Series Program 5
Calpac Chemistry Series Program 5 for ZX81. One preserved file in TZX format, from the digital preservation collection started in 2016. Software release year: 1982.

Source: Calpac_Chemistry_Series_Program_5 (1982_O-Level).tzx
Calpac_Chemistry_Series_Program_5 (1982_O-Level).tzx
Download original file15 KB · TZX
Timestamp stored in the original ZIP; timezone unspecified. It does not certify the dump acquisition date.
The format or loader does not expose a readable standard directory.