HP 35s User Manual

13-2 Simple Programming
This very simple program assumes that the value for the radius is in the X– register
(the display) when the program starts to run. It computes the area and leaves it in
the X–register.
In RPN mode, to enter this program into program memory, do the following:
Try running this program to find the area of a circle with a radius of 5:
In ALG mode, to enter this program into program memory, do the following:
RPN mode ALG mode
 

 π
 π
 
Keys:
(In RPN mode)
Display: Description:
 
()
Ö ()
Clears memory.

Activates Program–entry mode
(PRGM annunciator on).
 
 
Resets program pointer to PRGM
TOP.

 

(Radius)
2
 
 π

 
Area = π x
2
 
Exits Program–entry mode.
Keys:
(In RPN mode)
Display: Description:
  
This sets the program to its
beginning.
5


The answer!
Keys:
(In ALG mode)
Display: Description:
 
()Ö ()
Clears memory.

Activates Program–entry mode
(PRGM annunciator on).

HP 35s Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Black
Digits	14 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157.9 x 18 x 82 mm