Texas Instruments TI-86 Manual Book page 32

Assembly Language Programming: Inferential Statistics and Distribution Functions
pscdf
Computes a cumulative probability at x for the discrete Poisson distribution with
the specified mean m, which must be a real number > 0. x can be a real number or
a list of real numbers.
m
x
pscdf( , )
gepdf
Computes a probability at x, the number of the trial on which the first success
occurs, for the discrete geometric distribution with the specified probability of
success p. 0  p 1 must be true. x can be an integer or a list of integers. The
1
x
f x ( ) p ( 1 p ) , x 1 2 , ,K
p x
gepdf( , )
gecdf
Computes a cumulative probability at x, the number of the trial on which the first
success occurs, for the discrete geometric distribution with the specified
probability of success p. 0  p 1 must be true. x can be a real number or a list of
real numbers.
p x
gecdf( , )
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