HP 39g+ Graphing Calculator Guida Utente Pagina 211

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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.
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