HP 33S Owner's Manual

User Memory and the Stack
B–3
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
The calculator can reset itself if it is dropped or if power is interrupted.
Clearing Memory
The usual way to clear user memory is to press
¹ ¡
{

}. However,
there is also a more powerful clearing procedure that resets additional information
and is useful if the keyboard is not functioning properly.
If the calculator fails to respond to keystrokes, and you are unable to restore
operation by resetting it or changing the batteries, try the following MEMORY
CLEAR procedure. These keystrokes clear all of memory, reset the calculator, and
restore all format and modes to their original, default settings (shown below):
1. Press and hold down the
Å
key.
2. Press and hold down
#
.
3. Press
/
. (You will be pressing three keys simultaneously). When you release
all three keys, the display shows
 
if the operation is
successful.

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