Sal picked three submissions to our first programming challenge and made companion videos for them.
Congratulations to our challenge champs: Peter Collingridge, tetef, and Justin Helps!
Thanks to everyone who spun off a program for the challenge!
View tetef’s simulation at http://www.khanacademy.org/cs/will-it-converge-towards-1/1167579097
View Justin’s simulation at http://www.khanacademy.org/cs/unbiased-variance-visualization/1167453164