If things go wrong, Lesson 38; error messages – HP 48G User Manual

Page 107

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If Things Go Wrong

Whenever you run into problems—either following examples in this

manual or solving your own problems--you can use these hints to get
back on track.

Lesson 38; Error Messages

The HP 48 indicates that it can't do sometliing by sounding a beep

(if the beeper is enabled) and displaying a error message. A complete

list of

these messages and their meanings can be found

Appendix

B of

the

H P

^ 8 G

S e r ie s

U s e r 's

G u id e .

Clear the

message by

pressing

(

c a n c e l

(or any other key).

Here are tlie meanings of four of the more common error messages:

Type. You tried to do something to or with an object

that isn’t valid for that kind of operation. For exam]de, dividing by a
text string causes this error.

Too f

s .

You tried to do something without, supplying

the calculator with enough stack arguments. For example, executing

(TjT) with only one number on the stack causes this error.

Inual id Card Data.

The HP 48 cannot read data stored on a

plug-in

card you

inserted .

However,

you

will

also see

this

message

whenever a RAM card contains ports you’ve never used. Press

I N I

T to initialize all available RAM ports. This

does not affect data already stored on the card.

Undet ined Hane.

The HP 48 attempted to execute a command that

recpiires numeric arguments and found a symbolic argument it could
not convert into a number. If the command

s h o u l d

accept symbolic

arguments,

then perhaps the

Numeric

Results

flag

(-3) is set (press

(f^

F'LflG to check). Clear it and try again.

If Things Go Wrong ...

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