HP 33S User Manual

Statistics Programs
16–9
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Example 1:
Fit a straight line to the data below. Make an intentional error when keying in the
third data pair and correct it with the undo routine. Also, estimate
y for an x value
of 37. Estimate
x for a y value of 101.
X 40.5 38.6 37.9 36.2 35.1 34.6
Y 104.5 102 100 97.5 95.5 94
Keys:
(In RPN mode)
Display: Description:
t
S


Starts straight–line routine.
40.5
¥

value

Enters x–value of data pair.
104.5
¥


Enters y–value of data pair.
38.6
¥


Enters x–value of data pair.
102
¥


Enters y–value of data pair.
Now intentionally enter 379 instead of 37.9 so that you can see how to correct
incorrect entries.
Keys:
(In RPN mode)
Display: Description:
379
¥


Enters wrong x–value of data
pair.
¥


Retrieves

prompt.
t
U


Deletes the last pair. Now
proceed with the correct data
entry.
37.9
¥


Enters correct x–value of data
pair.

HP 33S Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Silver
Digits	10 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157 x 16 x 81 mm