Question about Texas Instruments TI-84 Plus Calculator

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Y= button is not working

My Y= button is not working.

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BUY ANEW BUTTON OR REPLACE IT

Posted on Dec 02, 2008

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Multiplication button won't work


If the button is sticking, here's a quick way to clean it - remove the batteries, then get a cotton swab (like a Q-tip) and soak it in Isopropyl Alcohol, then clean all around the button, letting some alcohol soak in around the button. Work the button up and down for about 20 seconds, then let it dry for a couple of hours. I try to use the 90% Isopropyl Alcohol, but lower will also work - you can get this at a drug store or at Wal-Mart. The alcohol won't damage anything, and the higher the percentage you buy, the faster it will evaporate.

Feb 05, 2014 | Texas Instruments TI-83 Plus Calculator

1 Answer

Calculator buttons not working


You are lucky. Calculate the number by which you want to divide (divisor), then press the reciprocal key (1/X) or raise it to the -1 power.

Jan 25, 2014 | Calculators

1 Answer

How do you calculate sec174?


SEC, CSC & COT are the INVERSE of COS, SIN & TAN and are usually require hitting the "2nd F" or "Func" key of the calc to make:


SIN button work as COSEC,

COS button work as SEC

TAN button work as COT


Formulas are below:


sec x = 1
cos x

cosec x = 1
sin x

cot x = 1 = cos x
tan x sin x

Good luck!

Feb 05, 2013 | Sharp EL531 Scientific Calculator

1 Answer

The Stat button is stuck down, have tried popping up with a paper clip but no good. Any suggestions, none of the other buttons will work with the STAT button stuck!


Hi
take out all 4 batteries take alcohol 2 drops on the button
push the button a few times it should help unless there is glue inside than yo must open the calc and clean all the buttons

Sep 12, 2012 | Texas Instruments TI-83 Plus Calculator

2 Answers

The buttons on my TI-30X IIS are not working except for the 0, equal and second buttons


Sounds like you have a shorted out circuit card. Try replacing the batteries first to see if the power returns to the keys. If that doesn't work, you will find it cheaper to find a replacement calculator vs sending it to an authorized factory repair center. Hope this helps.

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1 Answer

The buttons on my casio fx-9750g plus arent working


A simple procedure THAT MAY REVIVE the calculator is to reset the calculator by pressing the RESET button on the back. Use a straightened paper clip to press the recessed button.

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1 Answer

Ti 89 buttons won't work


Well, I just waited a few more days and now it works! I'm so happy...

Jan 14, 2009 | Texas Instruments TI-89 Calculator

3 Answers

None of my buttons work except the ON button


Sounds like a possible short to me, But I don't have experience with that cause I have yet to test my calc with water if you know what I mean... The one thing that I can suggest is trying to connect with another persons calc and try the "send OS" command to see if that will reset your calc to a working state. Sorry to hear about the damage though.

-Saik0Shinigami

Feb 06, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

My calculator is working well but only one button isn't working ; Memory I press 2nd , then + (MEM). But it doesn't work. + button does work and 2nd key works with other button.


I KNOW exactly what is wrong i had the same problem. you put a program like mirage or another application o your program on your calculator. no kids don't want teachers to deleter their games so mirage has a memory blocker. go into mirage then hit alpha then go to like protection options and stuff and turn off memory block. GOOD LUCK

Dec 25, 2007 | Texas Instruments TI-83 Plus Calculator

2 Answers

+/- Tax button has stopped working


press C.CE C.CE RATE SET (tax ie 17.5) then RATE SET

Sep 21, 2007 | Sharp EL-334FB Calculator

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