HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 713)

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J1 # 1.5 # 0.5 ` Enter parameters 1 1.5 0.5

[‘] @GLIS4 ` Enter the program name in level 1

„°LL @)@RUN@ @@DBG@ Start the debugger.

Use @SST↓@ to step into the program and see the detailed operation of each

command.

Errors and error trapping

The functions of the PRG/ERROR sub-menu provide ways to manipulate errors

in the calculator, and trap errors in programs. The PRG/ERROR sub-menu,

available through „°LL@)ERROR@ , contains the following functions

and sub-menus:

DOERR

This function executes an user-define error, thus causing the calculator to

behave as if that particular error has occurred. The function can take as

argument either an integer number, a binary integer number, an error

message, or the number zero (0). For example, in RPN mode, entering

5` @DOERR, produces the following error message: Error: Memory Clear

If you enter #11h ` @DOERR, produces the following message: Error:

Undefined FPTR Name

If you enter “TRY AGAIN” ` @DOERR, produces the following message: TRY

AGAIN

Finally, 0` @DOERR, produces the message: Interrupted

ERRN

This function returns a number representing the most recent error. For

example, if you try 0Y$@ERRN, you get the number #305h. This is the

binary integer representing the error: Infinite Result

1 2 ... 708 709 710 711 712 713 714 715 716 717 718 ... 863 864

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