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This graphing calculator was originally designed in 1995. The TI-80 has a large screen size 64x48 pixels and 16x8 characters display. Internally it contains a 980 KHz CPU and 7K RAM memory.

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Why there are error messages appearing in the display?

Why there are error messages appearing in the Display?

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1 Answer

There are many potential issues with error messaging. Problems such as data type, domain, memory etc. are all internal and misuse issues and not issues of a broken device. If there are no problems with the user input and there are still error messages then it is most likely an issue with the keyboard or the motherboard malfunctioning. This problem would most likely be solved by the replacement of the TI-80 motherboard.

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