But if you ask a math-savvy person for a random number, you’ll probably get a lecture about how hard it is to pick a truly random number. But if you ask [Valerio Nappi], you might just get a banana.

But behind every spin in real cash slots, there’s cold, hard math. Behind the curtain is something called a Random Number Generator, but you can just call it RNG.

Francis Comets, Mikhail Menshikov, Serguei Popov, Lyapunov Functions for Random Walks and Strings in Random Environment, The Annals of Probability, Vol. 26, No. 4 ...

The author presents a generalization he worked out in 1950 of von Neumann's method of generating random samples from the exponential distribution by comparisons of uniform random numbers on $ (0, 1)$.