User Manual
20090601
Example
Specified trial : 10
Mean : 6
• Statistics Wizard Operation
(1) On the menu bar, tap [Calc] and then [Distribution].
(2) Select [Poisson PD] and then tap [Next >>].
(3) Input values.
(4) Tap [Next >>].
(5) To display the graph, tap 
.
S
Program, eActivity or Main Application 
Command: PoissonPD
:
Command Syntax 
x
 value, 
L
 value 
Input Example:
PoissonPD 10,6
Poisson Cumulative Distribution
Menu: [Distribution]-[Poisson CD]
Description: This command calculates the probability the random variable that follows a 
Poisson distribution will fall between given upper bound and lower bound 
values. 
Definition of Terms 
Lower :  lower bound (Lower 
 Upper integer) 
Upper :  upper bound (Lower 
 Upper integer) 
L
: mean (
L
 > 0) 
Calculation Result Output 
prob 
:  Poisson cumulative probability
Graphing may take a long 
time when the absolute value 
of the argument is large. 
Graphing may take a long 
time when the absolute value 
of the argument is large. 
7-11-18
Distributions 










