The following function files are available
   binomd.m      Calculates the values of the Binomial Distribution
   engset.m        Calculates the values of the Engset Distribution
   erlangb.m:     Calculates the Erlang B distribution state probabilities
   erlangc.m:     Calculates the Erlang C distribution state probabilities
   erlangk.m:     Calculates the Erlang k distribution state probabilities (Corrected)
   erlbes.m        Event-based simulation of and Erlang B system
   erlces.m        Event-based simulation of and Erlang C system
   erlbaltes.m     Event-based simulation of and Erlang B system with alternate routing
   erlkseq.m      Generates a sequence of numbers with an Erlang-k distribution.
   gaplength.m   Calculate the gaplengths between events in a sequence
   inthist.m        Plotting the histogram of integer-valued random variables
   mcerlb.m       Simulation of Erlang B system using Markov Chain
   mcerlc.m       Simulation of Erlang C system using Markov Chain
   mcmm1.m     Simulation of M/M/1 queueing system using Markov Chain
   poissd.m       Calculates the values of the Poisson Distribution
   throw.m:       Generates random events of different types