Casio ClassPad II fx-CP400 User Manual
Page 88

Chapter 2: Main Application
88
u invHypergeoCDf [Action][Distribution/Inv.Dist][Inverse][invHypergeoCDf]
Function: Returns the minimum number of trials of a hypergeometric cumulative distribution for specified
values.
Syntax: invHypergeoCDf(
prob
,
n
,
M
,
N
[ ) ]
Calculation Result Output:
x
Inv,
½
x
Inv
Important!
See “Important!” under “invBinomialCDf” on page 86.
Example: To determine the minimum number of trials when
prob
= 0.3,
n
= 5,
M
= 10,
N
= 20
Using the Financial Submenu
The [Financial] submenu contains commands that are related to financial calculations.
For information about the functions included in this submenu, see “11-4 Financial Calculation Functions”.
Using the Command Submenu
u Define
Function 1: Defines function and registers it with Graph Editor.
Syntax 1: Define
{
y
1(
x
) −
y
100(
x
) ;
x
1(
y
) −
x
100(
y
) ;
yt
1(
t
) −
yt
100(
t
) ;
xt
1(
t
) −
xt
100(
t
) ;
r
1(
Ƨ
) −
r
100(
Ƨ
)} =
Example: To define the function
y
= sin(
x
) and assign it to line “
y
3” of the
Graph Editor
Function 2: Creates a user-defined function.
For more information, see “12-3 User-defined Functions”.
u DispStat
Function: Displays previous statistical calculation results.
For more information, see “DispStat” on page 202 and the examples
1208
through
1210
under “Including
Statistical Graphing and Calculation Functions in a Program” on page 218.
u Clear_a_z
Function: Clears all single-character variables.
For more information, see “Clear_a_z” on page 82.
u DelVar
Function: Deletes a specified variable.
For more information, see “DelVar” on page 201.
u Clear All Variables
Function: Clear variables that contain numbers, list and matrices.