Casio FX-880P and TM Error

If adjusting the contrast on your Casio fx-991ES Plus calculator's blue screen does not fix the issue, you may want to try resetting the calculator.
To do this, remove the battery cover and take out the battery. Wait a few minutes before putting the battery back in and turning the calculator on. This should reset the calculator and may fix the blue screen issue.
If the blue screen persists after resetting the calculator, it may indicate a hardware issue. In this case, you may need to contact Casio customer support or take the calculator to a professional for repair.

Ma error means Mathematical error.
Check input values and make corrections to ensure that values are within allowed limits.
Please Check the manual for the calculator. It is available on the Casio website. Here is the link.

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Sorry ...................

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Hello,
I suggest you reset the calculator by removing the main batteries. This will free up space to solve the problem.
Hope it helps.

Yeah I had the same problem, you need to open your calculator and check if all the screen cables is alright, i had just put sellotape on the back of the screen from inside so that the screen hold better, and it works for me if for you not maybe something broken in the schema but try it. The thing I know for sure the problem is in the screen or from where it get the data the schema. Tell me if it's working

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http://www.casio-calculator.com > Download > manual

... source of the manual. (It takes a lot of time to scan this). SL-800 (D) jpg file (1.5MB) FX-201P pdf file (5.6MB) FX-100 pdf file (0.9MB) FX-101 pdf file (0.2MB)

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View and Download Casio FX-100B manual online. FX-100B calculator pdf manual download. ... Related Manuals for Casio FX-100B. Calculator Casio ...

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PDF
fx-100AU. User's Guide. E http://world.casio.com/edu_e/ ... After removing the battery from the calculator, put it in a safe place ... Moreover, CASIO Computer.

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https://www.calculator.org > calculators > Casio_fx-100

The Casio fx-100 is a scientific calculator with 10 digits precision and algebraic logic. ... You can download the Casio fx-100 manual from the manuals website.

download the manual from here
(http://safemanuals.com/user-guide-instructions-owner-manual/CASIO/FX-880P-_E)