Question

 Why does every calculator and mobile have a dot at button "5" ?

Answer so you can feel center of phone, and know where the 5 is in dark lighting or if you are blind.
http://answers.yahoo.com//question/index?qid=20090618145244AAwMpWE

Top Q&A For: Why does every calculator and mobile have a dot...

How to Use the Log Button on a Calculator?

The log button is a button found on scientific and graphing calculators. Log is short for "logarithm." On calculators, the log button finds the base 10 logarithm of any given number. This means you... Read More »
http://www.ehow.com/how_8430125_use-log-button-calculator.html

What does GT button in D-20L CASIO calculator do?

This is a 'Grand Total' key. I found the following on the Casio website under General Calculator FAQ:"Whenever the '=' Key has been pressed, the result will be stored into the Grand Total Memory. T... Read More »
http://answers.yahoo.com//question/index?qid=20071021233450AACqPRl

How to Use the Percentage Button on a Calculator?

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How can we switch off casio calculator if we dont hv OFF button?

It's solar powered. It will shut off automatically - or you can place a paper over it to block the light and it will shut off.
http://answers.yahoo.com//question/index?qid=20070827204802AAcUKFw


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