Texas Instruments TI-83 - Page 421

General Information B-7
8399APXB.DOC TI-83 Intl English, Appendix B Bob Fedorisko Revised: 02/19/01 1:12 PM Printed: 02/19/01 1:41
PM Page 7 of 14
Error Type Possible Causes and Suggested Remedies
INVALID (cont.)
¦
In
Seq
mode, you attempted to
g
raph a recursive
sequence without havin
g
input the correct number of
initial conditions.
¦
In
Seq
mode, you attempted to reference terms other
than
(
n
N
1)
or
(
n
N
2)
.
¦
You attempted to desi
g
nate a
g
raph style that is invalid
within the current graph mode.
¦
You attempted to use
Select(
without havin
g
selected
(turned on) at least one xyLine or scatter plot.
INVALID DIM
¦
You specified dimensions for an ar
g
ument that are not
appropriate for the operation.
¦
You specified a list dimension as somethin
g
other than
an integer between 1 and 999.
¦
You specified a matrix dimension as somethin
g
other
than an integer between 1 and 99.
¦
You attempted to invert a matrix that is not square.
ITERATIONS
¦
The
solve(
function or the equation solver has exceeded
the maximum number of permitted iterations. Examine
a
g
raph of the function. If the equation has a solution,
change the bounds, or the initial guess, or both.
¦
irr(
has exceeded the maximum number of permitted
iterations.
¦
When computin
g
æ
, the maximum number of iterations
was exceeded.
LABEL
The label in the
Goto
instruction is not defined with a
Lbl
instruction in the program.
MEMORY
Memory is insufficient to perform the instruction or
function. You must delete items from memory
(
Chapter 18
)
before executing the instruction or function.
Recursive problems return this error; for example,
graphing the equation
Y
1
=Y
1
.
Branchin
g
out of an
If
/
Then
,
For(
,
While
, or
Repeat
loop with
a
Goto
also can return this error because the
End
statement
that terminates the loop is never reached.