Cardsmiths Series 4 - TI-80 #65 - Citrine 30/40

Cardsmiths Series 4 - TI-80 #65 - Citrine 30/40

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The TI-80 graphing calculator by Texas Instruments, introduced in 1995, was designed for educational purposes to assist middle-school students with their math and science calculations. Able to graph up to four functions at once, the calculator included four zones of keys: Graphing, Editing, Advanced Functions, and Scientific Calculator.

Front Art by: Rachid Lotf
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