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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 is the power not working?

Why is the power not working?

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A common issue with the TI-80 is the power function failing to turn on the calculator. This can include problems with both the battery and/or the power button. The most common cause of the power not initializing would be a dead battery. This is the most simple of fixes, it can be restored with the replacement of both 3-Volt CR2032 Lithium Coin cell batteries.

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