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e means what on the calculator?

 Sep 27, 2016
 #1
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e, also called Euler's number, is a mathematical constant that is used in calculus and natural logarithms. It is approximately equal to 2.72. You can probably learn more about it with a quick Google search if you search 'Euler's number'

 Sep 27, 2016
 #2
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"e" in the top left hand corner is also used to mean "exponent", when entering large numbers such as:  1.25 x 10^25 =1.25e25, which is computer language for "scientific notation".

 Sep 27, 2016

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