user manual

B-12 Service and Warranty Information
INCREMENT
¦
The increment in
SEQ(
is
0
or has the wrong sign. This
error does not occur during graphing. The TI
-
80 allows
for undefined values on a graph.
¦
The increment in
FOR(
is
0
or has the wrong sign.
INVALID
You are attempting to reference a variable or use a function
in a place where it is not valid. For example,
Y
n
cannot
reference
Y
,
XMIN
,
@
X
, or
TBLMIN
.
INVALID DIM
¦
The dimension of the argument is not appropriate for the
operation.
¦
List element dimensions must be integers between 1 and
99; for example,
L1(100)
will cause an error.
LABEL
The label in the
GOTO
instruction is not defined with a
LBL
instruction in the program.
MEMORY
¦
There is insufficient memory in which to perform the
desired command. You must delete item(s) from memory
(Chapter 12) before executing this command.
¦
Using an
IF
/
THEN
or
FOR(
with a
GOTO
that branches out
of the loop can also cause this error because the
END
statement that terminates the loop is never reached.
MODE
You are attempting a
ú
SIMP
in
AUTOSIMP
mode.
NEST LEVEL
This error occurs when any nested combination of function
evaluation,
NDERIV(
or
SEQ(
exceeds 5 levels.
OVERFLOW
You are attempting to enter, or you have calculated, a
number that is beyond the range of the calculator. This error
does not occur during graphing. The TI
-
80 allows for
undefined values on a graph.