20080201
The calculation results of invGeoCDf are integers. Accuracy may be reduced when the 
first argument has 10 or more digits. Note that even a slight difference in calculation 
accuracy affects calculation results. If a warning message appears, check the displayed 
values.
Example: To determine the minimum number of trials when 
prob = 0.875, pos = 0.5
Menu Item: [Action][Distribution][invGeoCDf]
For more information, see “Inverse Geometric Cumulative Distribution” on page 7-11-22. 
Using the Command Submenu
u Define
Function: Creates a user-defined function. 
For more information, see “Define” on page 12-6-9 and “Creating a User-defined Function 
Using the Define Command” on page 12-5-2. 
u DispStat
Function: Displays previous statistical calculation results. 
For more information, see “DispStat” on page 12-6-28 and “To explore statistical data” on  
page 12-7-5. 
u Clear_a_z
Function: Clears all single-character variables. 
For more information, see “Clear_a_z” on page 2-8-48.
u DelVar
Function: Deletes a specified variable. 
For more information, see “DelVar” on page 12-6-39. 
u Clear All Variables
Function: Clear variables that contain numbers, list and matrices. 
2-8-55
Using the Action Menu