Table of Contents
Advertisement
×
Å
The Statistics Registers in Calculator Memory
The memory space for the statistics registers is automatically allocated (if it doesn't
already exist) when you press
memory deallocated when you execute
If not enough calculator memory is available to hold the statistics registers when
/
you first press
need to clear variables, equations, or programs (or a combination) to make room
for the statistics registers before you can enter statistical data. Refer to "Managing
Calculator Memory" in appendix B.
Access to the Statistics Registers
The statistics register assignments in the HP 33s are shown in the following table.
Register
n
Σx
Σy
2
Σx
2
Σy
Σxy
You can load a statistics register with a summation by storing the number (28
through 33) of the register you want in i (number
summation (value
register value — the display is labeled with the register name. The SUMS menu
contains functions for recalling the register values. See "Indirectly Addressing
Variables and Labels" in chapter 13 for more information.
11–12
Statistical Operations
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
/
or
¹ ¡
-
(or
), the calculator displays . You will
Statistics Registers
Number
28
Number of accumulated data pairs.
29
Sum of accumulated x–values.
30
Sum of accumulated y–values.
31
Sum of squares of accumulated x–values.
32
Sum of squares of accumulated y–values.
33
Sum of products of accumulated x–and
y–values.
e Ò
). Similarly, you can press
Size : 13.7 x 21.2 cm
Views Σx register.
Leaves VAR catalog.
-
. The registers are deleted and the
{ }.
Description
e Ñ
and then storing the
º È Ò
Page : 386
to view a
Advertisement
Table of Contents
