Texas Instruments PLUS TI-89 - Manual (Page 562)

Appendix B: Reference Information 545
8992APPB DOC TI-89/TI-92 Plus:8992appb doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 545 of 34
Error
Number
Description
405 Invalid axes
410 Invalid command
420 Invalid folder name
430 Invalid for the current mode settings
440 Invalid implied multiply
For example, x(x+1) is invalid; whereas, x ù (x+1) is the correct syntax. This is
to avoid confusion between implied multiplication and function calls.
450 Invalid in a function or current expression
Only certain commands are valid in a user-defined function. Entries that are
made in the Window Editor, Table Editor, Data/Matrix Editor, and Solver as
well as system prompts such as
Lower Bound cannot contain any commands
or a colon (:). See also “Creating and Evaluating User-Defined Functions” in
Chapter 5.
460 Invalid in Custom..EndCustm block
470 Invalid in Dialog..EndDlog block
480 Invalid in Toolbar..EndTBar block
490 Invalid in Try..EndTry block
500 Invalid label
Label names must follow the same rules used for naming variables.
510 Invalid list or matrix
For example, a list inside a list such as {2,{3,4}} is not valid.
520 Invalid outside Custom..EndCustm or ToolBar..EndTbar blocks
For example, an Item command is attempted outside a Custom or ToolBar
structure.
530 Invalid outside Dialog..EndDlog, Custom..EndCustm, or ToolBar..EndTBar blocks
For example, a Title command is attempted outside a Dialog , Custom , or
ToolBar structure.
540 Invalid outside Dialog..EndDlog block
For example, the DropDown command is attempted outside a Dialog
structure.
550 Invalid outside function or program
A number of commands are not valid outside a program or a function. For
example,
Local cannot be used unless it is in a program or function.