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The same thing happened to mine. Although it's dual power if the battery dies it won't work. Unscrew the back off the calculator and you will see a flat button battery, replace it and it will work again.

Posted on Mar 27, 2014

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Posted on Jan 02, 2017

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That is what I get with your numbers on the TI84 Plus Silver Edition 0.1870313608. I get the same on the TI83 Plus. What can I say?. Apart from an error entering the numbers ( a 6 for a 9, a 3 for an 8) I cannot think of anything else. Sorry.

Oct 26, 2013 | Texas Instruments TI-84 Plus Silver...

My hard drive was dead and wasn't recognized by the computer, it didn't even start, just a few clicking noises, which according to some of the experiences is the same as a DEAD Hardisk. Anyways, as I read that sometimes this happens as a result of a hit, well, I wacked my HD as a last hope for it to recover its "memory" (as in the movies) and believe me or not, it worked! I don't know if this might help yours, but it saved mine!

The way I did it was like this: I started the pc and when the HD started to run and I heard a couple of clicks, I hit it against the table while in vertical position (assuming that the arm of the HD might slightly move better that way) one time, and then when the spinning and the first click was heard agin I hit again. After that I heard the typical searching sound of a HD, and you can imagine I started to pray that what I heard wasn't my anxiety sound (if it has any). Now I am a firm believer in the old trick of whacking the old TV to get the vital signal back!

Good luck to you too!

The way I did it was like this: I started the pc and when the HD started to run and I heard a couple of clicks, I hit it against the table while in vertical position (assuming that the arm of the HD might slightly move better that way) one time, and then when the spinning and the first click was heard agin I hit again. After that I heard the typical searching sound of a HD, and you can imagine I started to pray that what I heard wasn't my anxiety sound (if it has any). Now I am a firm believer in the old trick of whacking the old TV to get the vital signal back!

Good luck to you too!

on May 20, 2009 | Western Digital 250GB MyBook External USB...

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.

If this doesn't do it, please reply to this post and we can go on from there.

If this doesn't do it, please reply to this post and we can go on from there.

Feb 01, 2011 | Texas Instruments TI-84 Plus Silver...

Take out one battery. While holding the "On" button, put the battery back in. I can honestly not explain what happened, but it has happened to me multiple times as well. You might have to do this more than once, but within a few attempts, it should start working again. Tell me how it works out, and hope this helps!

Oct 10, 2010 | Texas Instruments TI-89 Calculator

- Calculator must be in SD mode (standard deviation mode) :Press [MODE] [.]
- However, if [FIX] or [SCI] appears on display you must press [MODE][9] first.
- Data input always starts with [SHIFT][SAC], to clear the registers of old data.
- Type a number and press the [DATA] key, it is the [M+] key at the bottom right of keypad.

Press [SHIFT] [9] (sigma n-1) to get sample standard deviation

Press [SHIFT][8] (sigma n] for the population standard deviation

Press [SHIFT] [7] (xbar) for the mean

Press [SHIFT] [6] (n) for the number of data entries

Press [SHIFT] [5] (capital sigma x) for the sum of values

Press [SHIFT] [4] (capital sigma x to y) for the sum of squares of the values

For additional information you might consider taking a look at the calculator manual.

Apr 30, 2010 | Casio FX-260 Calculator

- Calculator must be in SD mode (standard deviation mode) :Press [MODE] [.]
- However, if [FIX] or [SCI] appears on display you must press [MODE][9] first.
- Data input always starts with [SHIFT][SAC], to clear the registers of old data.
- Type a number and press the [DATA] key, it is the [M+] key at the bottom right of keypad.

Press [SHIFT] [9] (sigma n-1) to get sample standard deviation

Press [SHIFT][8] (sigma n] for the population standard deviation

Press [SHIFT] [7] (xbar) for the mean

Press [SHIFT] [6] (n) for the number of data entries

Press [SHIFT] [5] (capital sigma x) for the sum of values

Press [SHIFT] [4] (capital sigma x to y) for the sum of squares of the values

For additional information you might consider taking a look at the calculator manual

Apr 27, 2010 | Casio FX-260 Calculator

Hello,

If you want to do statistics with this calculator you press [MODE][3:STAT]. You have then 8 options 1:1-var, 2:A+BX, etc.

For one variable statistics you press 1. Enter the values for the X variable in the template. Once finished you press [SHIFT][1](STAT) then select the value you want ( n, x bar , and the standard deviations (X sigma n) and (X sigma n-1).

Hope it helps.

If you want to do statistics with this calculator you press [MODE][3:STAT]. You have then 8 options 1:1-var, 2:A+BX, etc.

For one variable statistics you press 1. Enter the values for the X variable in the template. Once finished you press [SHIFT][1](STAT) then select the value you want ( n, x bar , and the standard deviations (X sigma n) and (X sigma n-1).

Hope it helps.

Jul 30, 2009 | Casio fx-300ES Calculator

Hi
Needs a new HMS motor

Jul 29, 2009 | Sigma APO 70-200mm f/2.8 EX DG HSM for...

Enter 1 then press the (SIGMA)+ button (SIGMA) looks like a sideways capital M ....its a Greek letter.

Then enter 2 and press the (SIGMA)+ button

Then enter the next value and press the (SIGMA)+ button

After you press the (SIGMA)+ button the calculator displays the number of numbers you have entered

Once all numbers of your sample have been entered press 2nd and the button corresponding to x-bar

sample st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

population st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

Then enter 2 and press the (SIGMA)+ button

Then enter the next value and press the (SIGMA)+ button

After you press the (SIGMA)+ button the calculator displays the number of numbers you have entered

Once all numbers of your sample have been entered press 2nd and the button corresponding to x-bar

sample st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

population st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

Jan 18, 2008 | Texas Instruments TI-30XA Calculator

Hi the lens has a lock on the iris ring and on your
D100 it must be locked on the RED nuumber.

Nov 02, 2007 | Sigma 75-300mm f/4-5.6 DL Lens for Nikon...

Feb 22, 2018 | HP Office Equipment & Supplies

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