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CASIO fx-4000P scientific calculator from 1986
08-29-2022, 02:05 PM
Post: #63
RE: CASIO fx-4000P scientific calculator from 1986
Hehe! You refer to 550! i assume? Smile
That would have been awesome if fx-4000p had so many program steps!
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RE: CASIO fx-4000P scientific calculator from 1986 - Dan C - 08-29-2022 02:05 PM



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