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
N1) or (
n
N2).
¦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 Y1=Y1.
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.