Debug a program – HP Prime Graphing Wireless Calculator User Manual
Page 251

Programming in HP PPL
247
4. Tap
three
times to step through
the FOR loop. Notice
that the number
shown increments by
1 each time.
After the program
terminates, you can
resume any other activity with the HP Prime.
If a program has arguments, when you press
a
screen appears prompting you to enter the program
parameters.
Multi-function
programs
If there is more than one EXPORT function in a program,
when
is tapped a list appears for you to choose
which function to run. To see this feature, create a program
with the text:
EXPORT NAME1( )
BEGIN
END;
EXPORT NAME2( )
BEGIN
END;
Now note that when you select your program from the
Program Catalog and tap
or
, a list with
NAME1 and NAME2 appears.
Debug a
Program
You cannot run a program that contains syntax errors. If
the program does not do what you expect it to do, or if
there is a run-time error detected by the system, you can
execute the program step by step, and look at the values
of local variables.
Let’s debug the program created above: MYPROGRAM.