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The TI-36X Pro is a scientific calculator manufactured in 2011 by Texas Instruments, Inc. It features a solar cell and backup battery for more memory storage.

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Why is the screen showing the word "fix"?

The calculator is not working correctly and appeared the word “fix” in the screen.

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I don’t know what you mean by ‘not working correctly’ but it sounds like you need to pres [mode] and select ‘float’. There’s a user manual for your calculator that covers all its functions here: https://www.manualslib.com/manual/376302...

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