Chapter 1: Operating the TI
-
86
27
01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 27 of 2201OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 27 of 22
When you interrupt a graph, a partial graph and the
GRAPH
menu are displayed.
♦
To return to the home screen, press
:
:
or any non-graphing key.
♦
To restart graphing, select an instruction that displays the graph.
Diagnosing an Error
When the TI
-
86 detects an error, it returns an error
message, such as
ERROR 04 DOMAIN
or
ERROR 07 SYNTAX
.
The Appendix describes each error type and possible
reasons for the error.
♦
If you select
QUIT
(or press
-
l
or
:
:
), the home screen is displayed.
♦
If you select
GOTO
, the previous screen is displayed with the cursor on or near the error.
Correcting an Error
Note the error type (
ERROR ## errorType
).
Select
GOTO
, if available. The previous screen is displayed with the cursor on or near the error.
Determine the cause for the error. If you cannot, refer to the Appendix for possible causes.
Correct the error and continue.
Chapter 5: Function Graphin
introduces graphing.
If a syntax error occurs within
a stored equation during
program execution, select
GOTO
to return to the
equation editor, not to the
program (Chapter 5).
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