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- Other programs including for elctronics I was studying at university
- Self written program to calculate day of the week, days elapsed and phase of the moon
- go41cx HP emulator for Android by Oliver de Smet
- My HP41CV
- Stickers for use on custom keyboard overlays
- HP41C Math Pac I Quick Reference Card that fits in the carry case
- Various quick reference cards that you can fit in the carry case
- HP41C card reader
- HP 41C Card Reader with magetic cards in a carry case booklet on the right
- HP41CV with the excellent standard manuals that accompany it
- My HP41CV with a custom overlay that I used for my self-written apps
- Closeup view of the extended function modules port - place for 4 modules
- Various keyboard overlays and a receipt for my Extended Functions module R115 in 1986
- Various customs solutions were produced for eg. Beech aircraft, Intenational Diamond Corporation, NASA, etc and you could order these for your business
- Various pamphlets that came with my HP41CV
- Original receipt for my HP41CV on 3 March 1983 - R235 after a staff discount (was R377 + 6% Sales Tax without discount)
- Memo on HP notepad for me to collect my HP41CV at the Pinelands offices of HP
- My HP41CV
- Rechargeable battery pack for HP41C
- My HP41CV with its rechargable battery pack R163-41 inc wall plug power adaptor
- HP12C Financial Calculator on the iPhone
- HP41CX Calculator on iPhone