HP 48g Graphing Calculator - Manual (Page 542)

COLZ Command: Specifies the independent-variable and
dependent-variable columns of the current statistics matrix (the
reserved variable SDAT).
Level 2 Level 1 t Level 1
• ’ ^ X C O l • ^ y c o l
“
CORR Command: Returns the correlation coefficient of the
independent and dependent data columns in the current statistics
matrix (reserved variable SDAT).
Level 1 Level 1
— ^
• ^ c o r r e l a t i o n
COV Command: Returns the sample covariance of the independent
and dependent data columns in the current statistics matrix (reserved
variable SDAT).
Level 1 Level 1
• ^ c o v a r i a n c e
CRDIR Command: Creates an empty subdirectory with the specified
name within the current directory.
Level 1 -+ Level 1
'global'
DARCY Function: Calculates the Darcy friction factor of certain fluid
flows.
Level 2 Level 1 ♦ Level 1
^efD *
■ ’ ^ ^ D a r c y
H-4 Stack Diagrams for Selected Commands