The Σpar Sub-Menu; The 1Var Sub-Menu - HP F2226A - 48GII Graphic Calculator User Manual

Graphing calculator
Table of Contents

Advertisement

ΣDAT: places contents of current ΣDATA matrix in level 1 of the stack.
„ΣDAT: stores matrix in level 1 of stack into ΣDATA matrix.
The ΣPAR sub-menu
The ΣPAR sub-menu contains functions used to modify statistical parameters.
The parameters shown correspond to the last example of data fitting.
The parameters shown in the display are:
Xcol: indicates column of ΣDATA representing x (Default: 1)
Ycol: indicates column of ΣDATA representing y (Default: 2)
Intercept: shows intercept of most recent data fitting ((Default: 0)
Slope: shows slope of most recent data fitting (Default: 0)
Model: shows current data fit model (Default: LINFIT)
The functions listed in the soft menu keys operate as follows:
XCOL: entered as n @XCOL, changes Xcol to n.
YCOL: entered as n @YCOL, changes Ycol to n.
ΣPAR: shows statistical parameters.
RESET: reset parameters to default values
INFO: shows statistical parameters
The MODL sub-menu within ΣPAR
This sub-menu contains functions that let you change the data-fitting model to
LINFIT, LOGFIT, EXPFIT, PWRFIT or BESTFIT by pressing the appropriate button.
The 1VAR sub menu
The 1VAR sub menu contains functions that are used to calculate statistics of
columns in the ΣDATA matrix.
Page 18-16

Advertisement

Table of Contents
loading

This manual is also suitable for:

48gii

Table of Contents