HP 33S Owner's Manual

6–8 Entering and Evaluating Equations
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
To edit an equation you're typing:
1. Press
~
repeatedly until you delete the unwanted number or function.
If you're typing a decimal number and the "_" digit–entry cursor is on,
~
deletes only the rightmost character. If you delete all characters in the number,
the calculator switches back to the "

" equation–entry cursor.
If the "

" equation–entry cursor is on, pressing
~
deletes the entire rightmost
number or function.
2. Retype the rest of the equation.
3. Press
Ï
(or
Å
) to save the equation in the equation list.
To edit a saved equation:
1. Display the desired equation. (See "Displaying and Selecting Equations"
above.)
2. Press
~
(once only) to start editing the equation. The "

" equation–entry
cursor appears at the end of the equation. Nothing is deleted from the
equation.
3. Use
~
to edit the equation as described above.
4. Press
Ï
(or
Å
) to save the edited equation in the equation list,
replacing the previous version.
To clear an equation you're typing:
Press
¹ ¡
then press {

}. The display goes back to the previous entry in
the equation list.
To clear a saved equation:
1. Display the desired equation. (See "Displaying and Selecting Equations"
above.)
2. Press
¹ ¡
. The display shows the previous entry in the equation list.
To clear all equations, clear them one at a time: scroll through the equation list until
you come to
  
, press
×
, then press
¹ ¡
repeatedly as
each equation is displayed until you see
  
.
Example: Editing an Equation.
Remove 25 in the equation from the previous example.

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