What is e?

--[reporting2] Doing 'do snippet' - should be imbed--

This needs A-level skills.

e is the symbol given to the Euler number, which crops up in many many places in maths.

Its value is approx 2.718281828.

It is the basis of the natural exponentiation (power) function, ex and its inverse, the natural logarithm, written ln x. -mathformula not MarkupType-
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