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HP 32sii Calculator - Simple Programming

Introduction
Programs can be used for repetitive calculations--calculations that may involve more input or output control and intricate logic. A program allows the repetition of operations and calculations in the precise manner desired.
Calculator symbol key
The procedures in this document use the following text to represent symbol keys:
Key
Description
Text Representation
Right shift key
RS
Left-shift key
LS
pi
pi
Example of running a simple program
To find the area of a circle with the radius of 5, use the formula A = pi r2m and press
5, LS, x2, RS, pi, then x to get the result for this circle: 78.5398.
To find the areas of many different circles, it is not necessary to repeat the given keystrokes each time (vary only the "5" for the different radii). The repeatable keystrokes can be put into a program:
001 x2
002 pi
003 x
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.
To enter this program into the program memory, do the following:
Keys
Display
Description
Press LS, CLEAR, ALL, then Y
Clears memory
Press LS, then PRGM
Activates Program-entry mode (PRGM annunciator on)
Press LS, GTO, [.], then [.]
PRGM TOP
Resets program pointer to PRGM TOP
Press LS, then x2
001 x2
(Radius)2
Press RS, then pi
002 pi
Press x
003 x
Area = pi x2
Press LS, then PRGM
Exits Program-entry mode
Try running this program to find the area of a circle with a radius of 5:
Keys
Display
Description
Press 5, LS, GTO, [.], then [.]
5.0000
This sets the program to its beginning
Press R/S
78.5398
The answer

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