a integer multiplier,
c integer constant,
D length of needle in Buffon's needle experiment
F fraction of trials needle falls within ruled grid in Buffon's needle experiment
k lag in lagged Fibonacci generator, k > 0
lag in lagged Fibonacci generator,
M number of binary bits in m
m integer modulus m > 1
N number of trials
number of parallel processors
P period of generator
p a prime integer
random real number,
S spacing between grid in Buffon's needle experiment
random integer
