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Details on the Time Module Module - built in on NASA HP calculator
Details on the Extended Memory and Functions Module
Details on the Card Reader accessory which I bought
Bar code sheet to load game program instructions
Program listing for the Hunt the Wumpus game - must key it in
User instructions for the Hunt the Wumpus game
Hunt the Wumpus game - memory module required is for extra RAM needed to play it
Library Solutions books gave you all the programming code to program these games or applications into the HP41C
Some accessories available for the HP41C range
Did you know that the HP41C was a backup landing computer for NASA?
HP41C's were aboard Columbia space shuttle
Lots of additional info, tips, etc in HP Key Notes magazines
HP Key Notes also contained information about new accessories
HP Key Notes magazine May / August 1981
HP Key Notes magazine September / December 1981 announcing the new HP10 series calculators which are still being sold today
HP41C User's Library Solutions Games II book
HP41C Extended Function / Memory Module Owner's Manual
The program that got me my IT job!! It worked out what shift a policeman would be working on a future date ie. Christmas Day
Stats apps and geometry
Other programs including for elctronics I was studying at university
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