HP 49g Graphing Calculator - Manual (Page 189)

3. Define the equation to calculate the hypotenuse.
Note that you need to use O to enclose the equation and separate it
from the definition of the arguments.
0O®00{S®A©2
0(AfflA)B©2
« ^ A B
' r
(A-2+B-2) ■ »
4. Move the cursor out of the program and specify that you want to store
the program as “PYTH”.
00(ST0iI[©iIPHA)PYTH «
-»A B
'
5. Press (ENTER) to store the program.
( A ^ 2 + B ^ 2 ) ' » V P Y T H
Wlien you rim the program, you specify the lengths of the sides as
arguments to the program. For example, to run the program to calculate
the hypotenuse of a right angle triangle with sides of 3 and 4 units;
1. Display a list of the variables in the directory.
2. Press the fimction key that corresponds to your program. The program
name is inserted on the command line. Press 00 to insert
parentheses after the program name.
3. Enter yoiu- arguments, separated by a 0Q, between the parentheses.
3004
4. Press (ENTER) to calculate the hypotenuse.
The result is returned to history.
Creating, saving, and running a program
A program is an object that you can store in a variable. That is, you create
a program, assign it a name and save it in a directory.
• To create a program, press 0@. The program delimiters appear on
the command line ready for you to enter code, and the PEG
annunciator appears at the top of the screen to indicate that you are in
program mode.
Use the keyboard functions and keys, and select commands from the
programming menu, to create your program. As you select function
keys and operator keys, the fimctions and operations appear in your
program.
introduction to programming Page 10-3