A collection of recommendations and pro gaming, a box full of games

binomialcdf = probability of getting a maximum of x out of y trials
binomialpdf= probability of getting exactly x out of y trials
normalcdf= Probability of a range in a bell curve
invNorm= What value get’s a certain area (use to get Z value)

μ = mean (top of bell curve)
sigma = standard deviation
z = how many standard deviations there is
x= the x-value