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Chapter 6 The Palm Robot Programmer (PRP) 133

❏ Delete Subroutine Deletes a Subroutine block, and all the
blocks within the Subroutine from the program

The Tools menu contains the Convert To option:
❏ Convert To Converts a PRP program into source code. There are
three submenu choices for Convert: Basic, Java, and TEA. Each
option translates the program to the named language.
The About menu contains the single item, About, which displays the ver-
sion number of the program. The toolbar contains quick-access buttons for
many of the menu options you’ve just seen.

Cut Copy Paste Delete

New Open Save Convert

The Component Palette

On the left side of the main window is the component palette. This contains
icons for all the programming components you can use within your pro-
grams. It includes components for loops, logical decisions, variables, subrou-
tines, and a few components that are uniquely specific to the PPRK.

The Variable Component This block allows you to create variables in your
program. Variables are like aliases for values. They represent values and can
be used to store values that can be used later. This component has a property
for variable name, variable type (more on that coming up) and initial value
(which is an optional property). For example, if we take a reading from a
sensor, we would store the value in a variable. Later we can access that
particular reading by using the variable in the code.

Some languages use the variable type property to identify what data
is stored in a variable. For example, in the Java programming language, a
variable that stores a number cannot be used to store a string of characters.
Although the PRP does not restrict what you enter into the Type box, if you

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