Join me in restoring this beautiful 1980 Electronika B3-18А (Электроника Б3-18А)— the first handheld scientific calculator in the USSR! This unit came to us non-functional and missing its non-standard power adapter. Can we restore it? A vacuum fluorescent tube display has never looked so good!

Download the schematics:
https://bit.ly/B3-18A

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Thanks for watching!

#workshopnation #retrocomputing #calculator