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Digits of e (#226)
Wayumbe Rubyists,
The mathematical constant e is the unique real number such that the
value of the derivative (slope of the tangent line) of the function
f(x) = e^x at the point x = 0 is exactly 1. The function e^x so
defined is called the exponential function, and its inverse is the
natural logarithm, or logarithm to base e.1
e is one of the most important numbers in mathematics, alongside the
additive and multiplicative identities 0 and 1, the constant ð, and
the imaginary unit i. These are the five constants appearing in one
formulation of Euler’s identity.
This week¢s quiz is to write a Ruby program that can compute the first
100,000 digits of e.
Have fun!