HP 33s User Manual
Page 166
12–8
Simple
Programming
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)
Display:
Description:
{ e {
V
!
Activates Program–entry
mode; sets pointer to top
of memory.
{
E
Labels this program
routine E (for
"equation").
I
R
!
Stores radius in variable
R.
| H | N
z L
R
2
πº:
Selects Equation–entry
mode; enters the
equation; returns to
Program–entry mode.
|
/
/
|
!
Ends the program.
{ Y
{}
/
Displays label E and the
length of the program in
bytes.
|
/
/
Checksum and length of
equation.
Cancels program entry.