HP Prime Graphing Calculator - Manual (Page 509)

Programming 505
Notice that a
FOR_FROM_TO_DO
_ template is
inserted. All you
need do is fill in the
missing information.
4. Using the cursor keys
and keyboard, fill in
the missing parts of
the command. In this
case, make the
statement match the
following:
FOR N FROM 1 TO
3 DO
5. Move the cursor to a blank line below the FOR
statement.
6. Tap to open the menu of common
programming commands.
7. Select I/O and then
select MSGBOX from
the sub-menu.
8. Fill in the argument
of the MSGBOX
command, and type
a semicolon at the
end of the
command.
9. Tap to check the syntax of your program.
10. When you are finished, press Sx to return to
the Program Catalog or H to go to Home view.
You are ready now to execute the program.