what exactly is the euler number?

Question

anonymous · Answer

in which context? number theory?

anonymous · Answer

We also have a mathematical constant by that name--its the exponential constant.

joachim · Answer

i mean the mathematical constant

anonymous · Answer

The number e is a famous irrational number, and is one of the most important numbers in mathematics.

The first few digits are:

2.7182818284590452353602874713527 (and more ...)

It is often called Euler's number after Leonhard Euler

anonymous · Answer

its an irrational and transcendental number.

joachim · Answer

and what are the uses?

joachim · Answer

what does it decribe?

anonymous · Answer

its just a number. though it arises in many areas of mathematics.
For example we have the exponential function f(x)=e^x

joachim · Answer

and its derivative is also e?

anonymous · Answer

"its just a number"

Blasphemy!

anonymous · Answer

the derivative of the exponential function is itself.