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One of the most clever things I have ever seen done with a calculator.
04-16-2020, 11:30 AM (This post was last modified: 04-16-2020 11:47 AM by Csaba Tizedes.)
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Csaba Tizedes Offline
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RE: One of the most clever things I have ever seen done with a calculator.
Really clever idea, I must to build one during my homeoffice...
This is when not the magnetic card moves inside the reader, but the reader moves above the magnetic (here graphite) "card". BTW: these kind "programs" can be found in a Hungarian book about the calculators, printed in 1978.

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RE: One of the most clever things I have ever seen done with a calculator. - Csaba Tizedes - 04-16-2020 11:30 AM



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