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On most calculators, the equal sign role is played by the ENTER key. When the key is pressed, the calculator performs the calculation and displays the result.

Nov 08, 2015 | Office Equipment & Supplies

Not all
pregnancy tests are the same but there are usually two ways of getting a
positive result:

1) Some tests just show a clear vertical
line in the control window and if you are pregnant you will also get a clear
vertical line in the result window.

2) Some tests show a vertical line in
the control window and a "-" sign in the result window if you are not pregnant
and a "+" sign in the result window if you are.

All pregnancy tests come with instructions and usually they have pictures explaining the results. You can probably hold your pregnancy test alongside the leaflet if you are confused and it should clarify the result for you.

Mar 04, 2013 | Health & Beauty

I have done the calculation using the the shortcut key [x10^X] to enter the exponent,and I got the correct result.

I also did the calculation by explicitly typing the 10^10 factor and I obtained the correct result.

The syntax error may come from your using the minus - sign for subtraction rather that the change sign key (-)

I also did the calculation by explicitly typing the 10^10 factor and I obtained the correct result.

The syntax error may come from your using the minus - sign for subtraction rather that the change sign key (-)

Apr 06, 2012 | Casio FX-115ES Scientific Calculator

this is as a result of the fact that your aerial antenna is either not properly connected or is bad and as a result cannot receive the signals that the tv would use, it could also be as a result of the wrong positioning of your aerial antenna or your tv being tuned to a wrong frequency. my advice is that you try to tune on all other bands and frequency to enable you detect if your antenna is properly placed or not.

Nov 19, 2010 | Dell Computers & Internet

Enter the number, then press the LOG button. Once result is displyed press the change sign key. If result is positive, it will become negative. If result is negative it will become positive. The Change sign key is the one with + -, located between the . and the = on the bottom row of keys.

Apr 01, 2010 | Texas Instruments TI-30XA Calculator

You need the [EE] key to enter powers of 10 exponents.

You need the change sign key [+/-] key.

You need the [LOG] key.

pKa: 6.5 [EE] [+/-] 5 [LOG] [+/-]

There are two change sign: The first (either before or after the exponent 5), the last is entered after you press the log key , so as to negate (make negative if result is positive, and make positive is result is negative) the value.

The result should be 4.1870866 or 4.19

You need the change sign key [+/-] key.

You need the [LOG] key.

pKa: 6.5 [EE] [+/-] 5 [LOG] [+/-]

There are two change sign: The first (either before or after the exponent 5), the last is entered after you press the log key , so as to negate (make negative if result is positive, and make positive is result is negative) the value.

The result should be 4.1870866 or 4.19

Mar 08, 2010 | Texas Instruments TI-36 X Solar Calculator

Hi,

Ex: calculate -log(15.32)

Here is a picture of the change sign

Hope it helps

Ex: calculate -log(15.32)

- Calculate the log 15.32 [LOG] [=] result 1.185258765
- Then press the change sign key (-) result -1.185258765

Here is a picture of the change sign

Hope it helps

Dec 13, 2009 | Texas Instruments TI-30XA Calculator

Hello,

The pH is defined as the negative log in base 10 of the H+ (H3O+) ion concentration. The concentration of your solution is 1.2x10^(-5). You calculate the log of 1.2x10^(-5) which is -4.9208188754, let us just say it is equal to -4.921.

Once result is displayed press the change sign key (-) or on some calculators [+/-] and calculator will take the negative of the result.

So your pH is about 4.921

Another less efficient way to do it is to enter

0-log(1.2x10^-5) [ENTER]. The result will be positive.

The change sign (-) is smaller than the regular MINUS sign. It is used with negative exponents and to change the sign (hence its name) of a displayed result.

The pH is defined as the negative log in base 10 of the H+ (H3O+) ion concentration. The concentration of your solution is 1.2x10^(-5). You calculate the log of 1.2x10^(-5) which is -4.9208188754, let us just say it is equal to -4.921.

Once result is displayed press the change sign key (-) or on some calculators [+/-] and calculator will take the negative of the result.

So your pH is about 4.921

Another less efficient way to do it is to enter

0-log(1.2x10^-5) [ENTER]. The result will be positive.

The change sign (-) is smaller than the regular MINUS sign. It is used with negative exponents and to change the sign (hence its name) of a displayed result.

Oct 06, 2009 | Texas Instruments TI-30XA Calculator

You will need to uninstall the messenger from your computer and then re-install it to resolve this issue

Please revert with the result

Please revert with the result

Sep 01, 2009 | Yahoo Messenger

I cant sign on my yahoo massenger:) its return me back to sign in area ..

I tried too many times and i reinstall the massenger again but without result

please help me

thank you

Regards

I tried too many times and i reinstall the massenger again but without result

please help me

thank you

Regards

Jul 06, 2008 | Yahoo YHT-630 System

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