G8KPY Licenced in August 1975
Here is the City and Guilds exam paper I took in May 1975 at London University, Gower St.
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How to install Apache server with ImageMagick under Windows 10
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FREEWARE Logisim - Construct your digital logic circuit on screen - analyze and test.
Amazing! considering it is free. Requires JAVA 21 or higher to run.
Windows 10 and 11 installer version:-
https://github.com/logisim-evolution/logisim-evolution/archive/refs/heads/main.zip
More info and earlier release versions (Windows) and source code:-
https://github.com/logisim-evolution/logisim-evolution/releases
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HP9830A desktop calculator (computer).
Now you can have the HP 9830A emulator for windows 10 and 11, complete with sound too (fan, cassette tape drive clunks, print head, error pings).
This requires JAVA 21 or higher. The software may not run on all PC/Laptop setups. Seems to be a bit fussy about graphics chips the software detects.
https://github.com/go9800/GO9800
Goto 'get code' and select zip file. Latest version 2.50.3
Unzip to your choice of directory.
Execute by C:/user/GO9800/HP9800A.cmd (or where ever you unzipped files to).
You will also need the user manual. Plenty to see on this site.
https://bukosek.si/hardware/collection/hp-9830a.html
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Software emulated ENIGMA cipher machine for MS Windows.
Everything you need to get started here:-
https://www.enigmaworldcodegroup.com/download-enigma-simulator
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https://www.weathercharts.org/ukmomslp.htm
Latest UKMO synoptic chart for North Atlantic and Europe.
@G8KPY.UK
Dave.