HP 35s User Manual page 191


A different checksum means the program was not entered exactly as given here.
Example: Entering a Program with an Equation.
The following program calculates the area of a circle using an equation, rather than
using RPN operations like the previous program.
Keys:
(In RPN mode)


E
R
 
 R
 



(2)


Display:
 
  
  
 


 
 



Cancels program entry
(PRGM annunciator off).
Description:
Activates Program–entry
mode; sets pointer to top of
memory.
Labels this program routine
E (for "equation").
Stores radius in variable R
Selects Equation–entry
mode; enters the equation;
returns to Program–entry
mode.
Ends the program.
Displays label E and the
length of the program in
bytes.
Checksum and length of
program.
Cancels program entry.
Simple Programming
13-9