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CASIO fx-4000P scientific calculator from 1986
07-30-2018, 06:15 AM
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RE: CASIO fx-4000P scientific calculator from 1986
(07-29-2018 09:04 PM)Jlouis Wrote:  I think I found a Kraftwerk fan like me here in this very forum...

By pressing down a special key
It plays a little melody:
[Image: beepkey.jpg]

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-Joe-
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RE: CASIO fx-4000P scientific calculator from 1986 - Joe Horn - 07-30-2018 06:15 AM



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