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Programming 16-1
16
Programming
Introduction
This chapter describes how to program using the hp
39g+. In this chapter you’ll learn about:
• using the Program catalog to create and edit
programs
• programming commands
• storing and retrieving variables in programs
• programming variables.
HINT
More information on programming, including examples
and special tools, can be found at HP’s calculators web
site:
http://www.hp.com/calculators
The Contents of a
Program
An hp 39g+ program contains a sequence of numbers,
mathematical expressions, and commands that execute
automatically to perform a task.
These items are separated by a colon ( : ). Commands
that take multiple arguments have those arguments
separated by a semicolon ( ; ). For example,
PIXON xposition;yposition:
Structured
Programming
Inside a program you can use branching structures to
control the execution flow. You can take advantage of
structured programming by creating building-block
programs. Each building-block program stands
alone—and it can be called from other programs. Note:
If a program has a space in its name then you have to put
quotes around it when you want to run it.