Texas Instruments TI-83 Plus Calculator "numbers need cleaned" Questions

...need cleaning ??? Look at the rubber numbers inside the machine. They are probably clogged with ink (at least mine was). I researched and could not find a specific answer, finally I asked how to ...

...numbers printed you may need an expert hand to do this: open the case (4 screws at the back) get the inner side of the buttons cleaned with nail polish remover/thinner. after a while put all back. ...

Number 6 on Key Pad, not working I've had an hp 12c plat for about 2 years. Yesterday I noticed I was having to press the number six several times to get the number to display and today it's even ...

Ti89 titanium my TI-89, whenever i try to factor something like x2+2x+1, the calculator will not factor, but it just gives me a number. WHAT IS THE KEY OR KEYS TO GET THE INVERSE LOG FUNCTION? You ...

...numbers like this: 0.98+0.3+0.3+0.3+0.4=2.30 but it should be 2.28 Could you help me with the settings? Thanks I bet your display is showing the correct ans, however your printer is printing ...

One of the keys on my 12c calculator keeps "sticking" so the number often fails to appear on screen. Any advice please. Here is a link to one of my earlier posts where I show how to test proper ...

...numbers but I still get the same median and all the information from the previous list, even though that list is not there anymore. I wish I could erase the whole calculator. Probably I clicked ...

Solving a linear equation from TI30XS Multiview Hello, I am a senior citizen and have just returned to college. I have the above calculator and am wondering how I can solve an algebra problem with it ...

...the keyboard? Most likely something liquid. If it is not displaying the numbers as you enter them, there is something wrong with the keyboard. It will need to be taken apart and cleaned. ...

...Need help fast!!!!!!!!! I was cleaning my calculator with a damp cotton ball then when i turned it on the screen shows numbers i had entered before but i cant clear it or add any numbers. Did you try ...