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Simple Programming 13-9
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.
Cancels program entry
(PRGM annunciator off).
Keys:
(In RPN mode)
Display: Description:
Activates Program–entry
mode; sets pointer to top of
memory.
E
Labels this program routine
E (for "equation").
R
Stores radius in variable R
R
π
Selects Equation–entry
mode; enters the equation;
returns to Program–entry
mode.
Ends the program.
(2)
Displays label E and the
length of the program in
bytes.
Checksum and length of
program.
Cancels program entry.