Var; Vars; Ver; Version - HP 48gII Advanced User's Reference Manual

Graphing calculator.

VAR

Type:
Command
Description: Variance Command: Calculates the sample variance of the coordinate values in each of the m
columns in the current statistics matrix ( DAT).
The variance (equal to the square of the standard deviation) is returned as a vector of m real
numbers, or as a single real number if m = 1. The variances are computed using this formula:
where x
is the ith coordinate value in a column,
i
n is the number of data points.
...µ
Access:
Input/Output:
MAX , MEAN, MIN , PSDEV, PVAR, SDEV, TOT

VARS

Type:
Command
Description: Variables Command: Returns a list of the names of all variables in the VAR menu for the current
directory.
Access:
Input/Output:
ORDER, PVARS, TVARS

VER

CAS:
Return the Computer Algebra System version number and date of release.

VERSION

Type:
Command
Description: Software Version Command: Displays the software version and copyright message.
...µ
Access:
Input/Output:

VISIT

Type:
Command
Description: For a specified variable, opens the contents in the command-line editor.
...µ
Access:
3-196 Full Command and Function Reference
1
----------- -
n 1
VAR
Level 1/Argument 1
L
MEMORY DIRECTORY
Level 1/Argument 1
VERSION
Level 1/Argument 1
or „˜
VISIT
n
2
x
x
i
i
=
1
is the mean of the data in this column, and
x
( °is the left-shift of the Nkey).
VARS
Level 2/Item 1
"version number"
Level 1/Item 1
x
variance
, ... , x
[ x
]
variance1
variancem
Level 1/Item 1
{ global
... global
}
1
n
Level 1/Item 2