So if you've seen the Facebook Movie, The Social Network, and were wondering what was the algorithm that Eduardo Saverin gave to Mark Zuckerberg to use for Facemash. Well look no further because here it is :
Ea = ________1_________
1 + 10 (Rb -Ra) /400
Eb = ________1_________
1 + 10 (Ra -Rb) /400
Here is a video showing the scene from The Social Network movie where Eduardo Saverin gives Mark Zuckerberg the Algorithm.