Question about Texas Instruments BA-II Plus Calculator

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Display problem hi....when i press '2'....nothing comes on screen...pls help me what to do with it now...

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  • Shekhar123 Jun 12, 2008

    thanks in advance....

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What about the other keys? Did you get a new battery yet? I think your calculator got dirty. Just open and clean it inside, especially under the keys. It may help !

Posted on Jun 24, 2008

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Mem cleared Changed out the batteries and received a messege mem cleared and nothing will work.


Follow this steps to resolve this problem:

1. Press ON to turn calcilator on

2. Press 2nd and then press + key button. TI- 81 displays RESET menu

3. Press 2 to select the RESET, the second item in the RESET menu. The display shows the message Mem cleared. Press CLEAR to clear the screen

If you cannot see anything on the screen, you may need to adjust the graphing TI- 81 calculator contrast:

-To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark

- To lighten the screen, press and release 2nd key, and then press and hold down-arrow key until the display is sufficiently light

Aug 22, 2012 | Texas Instruments TI-81 Calculator

1 Answer

Hello pls tell me how to refresh my fx-115es?


To clear the display screen press the [Shift] (AC) key sequence buttons
If you want the results to be displayed as fractions, set the MODE to MthIO
Press [SHIFT][MODE][1:MthIO]

May 05, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How can i find the standard deviation and the Q1 and Q3 of data, please write in all the steps...thanks


TO COMPUTE STANDARD DEVIATION AND 2-VAR STATISTICS.

I assume you know the theory. I will show you the key strokes

for 1-Var statistics
Press [MODE][3:STAT] [1:1-VAR]. You are ready to enter values in the X column.
Enter a number and press [=]. Cursor jumps to second number to enter.
Keep entering numbers and pressing [=] till all numbers are in. Press the [=] key after the last one.
Press [AC] key to clear the screen.
Press [SHIFT] [STAT] (above digit 1.) then [5:Var]. Screen displays the statistical variables 1:n ;2: x bar; 3: x sigma n; 4:x sigma n-1.
Press the number corresponding to Referable you want, ex 1:n . The variable appears on screen. Press [=] and it will be displayed.
To display another variable press [SHIFT][STAT][5:Var][ 1,2, 3, or 4] .

To access the sum of squares sigma x^2 and the sum of data sigma x press[SHIFT][STAT][4:SUM] then [1: for sigma x^2] or [2: for sigma x]. Press [SHIFT][STAT][6:MinMax] to access minX and maxX.

For 2-var statistics
To perform 2 variable statistics you press [MODE][3:STAT] and any of the other regression options (except 1:1-Var). A two column template opens where you enter the X and Y values. When finished entering data, press [SHIFT][STAT][5:Var]. to access the different statistics. As I assumed above, you should be able to recognize what each variable means.

TO FIND THE Q1 and Q3. The calculator does not calculate them (I swear I had nothing to do with it). You can use the définitions you have to calculate them.

Mar 03, 2010 | Casio fx-300ES Calculator

1 Answer

The screen is black when I turn it on. I've replaced the batteries and no change. I try to change the contrast and nothing happens. It is a couple years old, but I should still work.


Hi,
Check that the terminals in the battery compartment are clean and shiny. Remove any powder left after battery leakage. Insert fresh batteries in calculator. Make sure you respect the polarity diagram. +-+- (Many malfunctions come from incorrectly placed batteries).

To adjust the screen: Darken or lighten display

To darken screen
Press [2nd] key and release it.
Press and hold [UpArrow] until screen is dark enough.

To lighten screen
Press [2nd] key and release it.
Press and hold [DownArrow] until screen is light enough.

Hope it helps.


Dec 03, 2009 | Texas Instruments TI-86 Calculator

1 Answer

My 12c fin calculator will not come on even with a new battery.. help


Hi,
you should perform calculator tests to verify the good working order of the calculator.
  1. With calculator OFF, press and HOLD the [X] key, then press [ON]
  2. Release the [ON] key, then the [X] key.
This sequence initiates a complete testing of the circuits. If all is well., the calculator should display -8,8,8,8,8,8,8,8,8,8 and all indicators should be lit for about 15s. The calculator displays running.
If calculator displays Error 9, another result, or displays nothing it needs to be repaired.

Hope it helps.
Thank you for using FixYa.

Nov 21, 2009 | HP 12c Calculator

1 Answer

Won't power on even though i've installed new batteries. There is no corrosion on the battery terminals.


Hi,
Check that the terminals in the battery compartment are clean and shiny. Remove any powder left after battery leakage. Insert fresh batteries in calculator. Make sure you respect the polarity diagram. +-+- (Many malfunctions come from incorrectly placed batteries).

After replacing batteries, calculator is restored to defaults and screen display may be too loght or too dark

To adjust the screen: Darken or lighten display

To darken screen
Press [2nd] key and release it.
Press and hold [UpArrow] until screen is dark enough.

To lighten screen
Press [2nd] key and release it.
Press and hold [DownArrow] until screen is light enough.

Hope it helps.

Nov 14, 2009 | Texas Instruments TI-86 Calculator

1 Answer

All of my answers are coming out rounded, how do I change that?


Hello,
If I understand correctly you result do not display any decimal.
If you want a fixed number of decimal digits (exemple 2) Press the [MODE] key a number of times until you reach the screen that displays Fix Sci Nom and under them the numbers 1 2 3
Press 1 to choose Fixed format followed by 2 for TWO Digits
3 decimal digits [MODE] ---------[1 ] (Fix) 3
Hope it helps.

Sep 01, 2009 | Casio FX-300MS Calculator

1 Answer

Problm


Hello,

Press [CLEAR] button to clear the screen. Try to reset the calculator to defaults as follows [2nd][MEM][7:Reset][2:Defaults].

If screen is too dark or too light, adjust contrast.To increase contrast

1. Press [2nd] key and release it.
2.Press [UpArrow] and release it
3. Keep going through Steps 1 and 2 in sequence until display is adequate.

To decrease contrast do as above and press [DownArrow] in step 2

Hope it helps

Aug 23, 2009 | Texas Instruments TI-83 Plus Calculator

3 Answers

Casio MS-120TE tax rate


Found this on the casio site worked fine on my ms-120TE
1. Press [AC]
2. Hold [SET/%] key for about 2 seconds until set and a 0 is displayed
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]

this is the link:- http://www.casio.com/support/content/AF64A1AC-193D-4650-A9A9-98BB6FE26CFE

Dec 05, 2007 | Casio fx-300ES Calculator

4 Answers

Ti-83 Plus weird display problem (detail included)


Warning the following tip will erase apps and programs from calculator!
The following will run the self-test mode
Press mode then press alpha then press s then press enter
If you want to get out of the self test press the on button in case you want to attempt to save/transfer apps, programs, variables etc.
The calculator will start to test itself it'll countdown and display numbers on the screen. It can get better sometimes other times a replacement of both the cr1616/cr1620 lithium battery and the 4 AAAA batteries work. Also ensure that you've attempted to clear out all the memory and reset the calculator. To delete all variables, tables, graphs, etc: Press 2nd button then press MEM then press 2 then press 1.
To reset the calculator press 2nd button then press MEM then press 7 then press the left arrow then press 1 then press 2.

Jun 03, 2007 | Texas Instruments TI-83 Plus Calculator

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