HP 33S Owner's Manual

12–10 Simple Programming
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
2. Press
¹ r
label to set the program pointer to the start of the program
(that is, at its LBL instruction). The

instruction moves the program pointer
without starting execution. (If the program is the first or only program, you can
press
¹ r Ë Ë
to move to its beginning.)
3. Press and hold
Ø
. This displays the current program line. When you release
Ø
, the line is executed. The result of that execution is then displayed (it is in
the X–register).
To move to the preceding line, you can press
×
. No execution occurs.
4. The program pointer moves to the next line. Repeat step 3 until you find an
error (an incorrect result occurs) or reach the end of the program.
If Program–entry mode is active, then
Ø
or
×
simply changes the programs
pointer, without executing lines. Holding down a cursor key during program entry
makes the lines roll by automatically.
Example: Testing a Program.
Step through the execution of the program labeled A. Use a radius of 5 for the test
data. Check that Program–entry mode is not active before you start:
Keys:
(In RPN mode)
Display: Description:
5
¹ r
A

Moves program counter to label A.
Ø
(hold)
(release)
  

Ø
(hold)
(release)
 



Squares input.
Ø
(hold)
(release)

π


Value of
π
.
Ø
(hold)
(release)
 

25
π
.
Ø
(hold)
(release)
 

End of program. Result is correct.

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