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The question mark key and the sign for division key are not working no matter how you hardly press them

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You have to replace the keyboard, or else use the third party utility to get the onscreen keyboard and start typing using it.

Posted on Sep 11, 2010

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Dividing 2 different scientic equations into another


Sorry but you are using the word EQUATION incorrectly. All you have is two numbers you want to divide one by the other.
Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.
Note: to enter the negative sign in the exponents, use the change sign key marked (-), (+/-) or [+/-] . Do not use the regular MINUS sign.
When you use the EE key, you must not enter the 10. It is understood because EE is a shortcut for *10^.

Apr 06, 2014 | Texas Instruments TI-30XA Calculator

1 Answer

How do I set a constant for division?


On some calculators there is a key marked with K (on the key or around it on the calculator face).
Try entering the divisor then the division key then press K. If that does not work try another order.
On some other calculators you press the operation key twice. Try entering the divisor first then press the division key twice. The next number you enter will be divided by the one enter before pressing the operation key. (divisor).

Oct 21, 2013 | Casio HR-100TEPlus Calculator

1 Answer

Sharp el 738


If you are talking about the multiplication sign, look for a key marked with a cross. It should be in the same column as the other operations, between the subtraction (-) and the division keys.

Sep 29, 2013 | Sharp EL-738 Scientific Calculator

1 Answer

Ln(300.9/203.3) all over or divided by 37. The answer is 0.011. How do I enter this?


  1. Press the key marked [LN],
  2. If the calculator suppliies a left parenthesis (, proceed to enter the ratio 300.9/203.3.
  3. But if the calculator does not insert a ( after LN, insert one and then enter the ratio 300.9/203.3
  4. Close argument by pressing the ) parenthesis key.
  5. Press the division key, followed by 37.
  6. Press the =/EXE key.
  7. The result should be 0.010597169 or about 0.011

Jul 16, 2012 | Sharp ELW535 Calculator

1 Answer

How do i plug in ((6^2+7.77^2+4^2)/(2x6x7.77)) in a TI-30XA calculator?


There should not be a problem: There are no complicated functions.
I suggest you do the calculation in steps
Step 1: Calculate the numerator 6^2+7.77^2+4^2=
The result will be stored in ANS memory, which you access by pressing the ANS key (either directly if marking is on the key, or by pressing 2nd followed by the key near which is the ANS marking).
Step 2: while the result is still displayed, press the division key, then a left parenthesis to enclose the denominator. Close the right parenthesis then press =

Apr 06, 2012 | Texas Instruments TI-30XA Calculator

1 Answer

How do i put in a fraction? such as 1/2


Look for the key marked [a b/c]. The shifted function of that key is [d/c]. Use it to enter an improper fraction. Numerator [SHIFT] [a b/c] then denominator. You can also just enter the numerator, press the division key, then enter the denominator.
To toggle between fraction and decimal use a key marked [FD].

Aug 31, 2011 | Casio FX-300MS Calculator

1 Answer

How do you do fractions on a Casio fx300 ms?


You have a button marked [a b/c].
To type in a mixed fraction, 2 and 5/ 17
2 [a b/c] 5 [a b/c]17 [=].
To enter an improper fraction use the division sign or press the [a b/c] key after the numerator.

Jun 28, 2011 | Casio FX300S-TP Calculator

2 Answers

Cant find divison sign on calculator


If this a a real calculator then your sign of the division must have rubbed off from the keypad.
So the best way to find is to look at the remaing signs of the -.+ and x. the remaining one will be the division sign other than the = sign.
to confirm divide a sum and get answer to confirm.

Mar 10, 2011 | Office Equipment & Supplies

1 Answer

My mac laptop screen has gone a cloudy white and no buttons or typing or mouse scrolling works... after a few minutes a little folder picture comes up with a question mark in the middle of it ontop of the...


The computer can't find the operating system. It could be a sign of your hard drive failing.
I'd suggest booting up the machine while holding the 'option' key and selecting your startup disc, if that doesn't work, insert the OS installation disc and hold either 'option' to select the startup disc or hold 'c' which will boot directly from the DVD.
Running disc utility and repairing the permissions and verifying the disc MIGHT solve the issue. However usually when the machine can't find the OS it is a sign of hard drive failure.

Feb 18, 2011 | Apple Computers & Internet

1 Answer

How do you put in a fraction to mulitiply it by another fraction?


A fraction is just a particular number.
  1. Enter numerator of first fraction
  2. Press the division sign
  3. Enter the denominator of first fraction
  4. Press the multiplication key
  5. Enter second numerator
  6. Press the division key
  7. Enter the denominator of second fraction
  8. If you want a decimal result press [ENTER]
  9. However, if you want a fraction press [MATH][1:

Sep 21, 2010 | Texas Instruments TI-83 Plus Calculator

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