Question about Texas Instruments TI-83 Plus Calculator

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Key not working

The multiplication key isn'yworking, can this be fixed?

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Try taking some WD40 and spray the entire keyboard while pressing the buttons and then clean it up and try it again.
Mark

Posted on Oct 20, 2008

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Display has gone on my TI-84 plus silver edition calculator, I have replaced the batteries is there another fix?


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Sep 26, 2012 | Texas Instruments TI-84 Plus Silver...

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Batteries won't work


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

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2 Answers

Ti 84 plus wont work


TI calculators have an annoying habit of dimming the screen, especially when the batteries are changed, so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.
If this isn't the problem, please reply to this post and give a fuller description of the problem.

Mar 20, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

My calculator just shut off while i was using it, i replaced the triple A batteries but now it still won't turn on, how can i fix it?


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and hold the 2ND key. Press and hold the + key for a few seconds and see whether the screen becomes legible.
If this doesn't do it, please reply to this post and we'll go on from there.

Mar 15, 2012 | Texas Instruments TI-89 Calculator

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Where is the caret sign in casio fx-901


There isn't one. Instead, the power key is marked "x-superscript-y" and is the second key from the right on the third row from the top, just above the red "C" key. Use this key whenever you'd use the "^" key on another calculator.

Feb 03, 2012 | Casio Calculators

1 Answer

I need to find the inverse key on the ti-30xa, one person stated the Pi button, but it seems it isn't on this calculator,


The one-over-x key is located two rows above the 7 key. The pi key is located just to the left of that.

Aug 25, 2011 | Texas Instruments TI-30XA Calculator

2 Answers

Why does my TI-30Xa calculator keep converting fractions to decimals? I type in a # then click the fraction key (1/x key) and before I can enter the denominator # it immediately says 0.33333333, how can I...


First of all, the "1/x" key isn't the fraction key, it's "1-over-x." Pressing 3 1/x divides 1 by 3, giving you 0.33333333 .

If you want to enter a fraction, use either "a b/c" or "d/c," located just to the left of the 1 key. You can convert between decimal and fraction with "F--D" just below that.

Aug 10, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

How do I perform multiple subtractions?


1. Enter your beginning balance
2. Press the minus (-) key
3. Enter the amount of a check
4. Press the equal (=) key. Balance will be displayed.
5. Press the minus (-) key
6. Enter the amount of a check
7. Press the equal (=) key. Balance will be displayed

Repeat steps 5 through 7 as necessary.

To enter a deposit:

5. Press the plus (+) key
6. Enter the amount of the deposit
7. Press the (=) key. Balance will be displayed

Don't press any other keys (i.e., Clear) until you have completed all checks and deposits.

Jan 28, 2010 | Canon P170-DH Calculator

1 Answer

Cannot find the constant key for multiplication


How to do constant multiplication or division on the Canon P170-DH calculator

This process actually requires fewer keystrokes than most other calculators. Basically, just do the first problem
and then do the next items with just the next number and the EQUAL key. For example,

*** Constant Multiplication ***
2 (multiply key)
10 (= key)
(The answer 20 shows on the screen. Note, the 2 is still stored as a constant without doing anything, just continue)
4 = (shows the answer 8 on the screen)
20 = (shows the answer 40 on the screen)
100 = (shows the answer 200 on the screen)

*** Constant Division ***
10 (divided by key)
2 =
(shows the answer 5 on the screen, the 2 is still stored as a constant without doing anything, just continue)
100 = (shows the answer 50 on the screen)
500 = (shows the answer 250 on the screen)
4 = (shows the answer 2 on the screen)

--------------
Also note! There is no K visible on the screen to indicate a constant is set.

Nov 17, 2008 | Canon P170-DH Calculator

2 Answers

There is no "plus equal" key!


press the plus key again, it should work. ie put a number in and press the plus key twice, it should double, and again it should double again and so on

Sep 16, 2008 | Casio DR-T220 Calculator

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