What is Euler’s number and Pi ?

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What is Euler’s number and Pi ?

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Anonymous 0 Comments

If you were to take something cylindrical, like a vial of Carmex (the lip balm), and make a mark at one point on the edge, and roll out one complete roll; and then measured the diameter of the Carmex container, you’d notice that the distance of one complete roll (that is, the circumference) equaled *pi* times the diameter.

And the cool thing is it happens with every circle.

Circumference equals diameter times *pi*.
Every. Time.

Written another way, *pi* = Circumference divided by Diameter.
Every time. Every circle.
Circumference divided by Diameter *always* equals 3.14159…

* * * * *

“*e”* is a little more difficult to conceptualize, but it is the result of adding smaller and smaller fractions:
1/1 + 1/(1×2) + 1/(1x2x3) + 1/(1x2x3x4) + 1/(1x2x3x4x5) … = 2.71828

Another way of expressing *e* is *y=1/x*

*pi* and *e* are curious constants that happen to be very useful in maths and physics.

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