Great guide in lightly read very good condition with minor handling/shelf wear. There is a small ding to front cover and first page. Book has clean, unmarked pages, tight binding and uncreased spine.
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The screen itself is still sealed in plastic.
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Battery cover & cover only. I try to have a good selection of everything.
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This vintage Texas Instruments Ti-81 graphic scientific calculator is a complete and tested product that is perfect for collectors or anyone in need of a reliable calculator. With its brand name and model number, you can trust that this calculator was made by one of the best in the business. Used for actual school work. Making it work when all the other kids had a TI-85.
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Texas Instrument 505-4508 1/2A DC Output Module Card Circuit Board PLC S81. Condition is New. Shipped with USPS Priority Mail.
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USER'S REFERENCE GUIDE: A COMPLETE, DETAILED GUIDE TO USING AND ENJOYING YOUR TEXAS INSTRUMENTS TI-99/4A COMPUTER By Texas Instruments Incorporated.
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