User's Manual

B-8 General Information
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 8 of 14
Error Type Possible Causes and Suggested Remedies
MemoryFull
¦
You are unable to transmit an item because the receivin
g
unit’s available memory is insufficient. You may skip the
item or exit receive mode.
¦
Durin
g
a memory backup, the receivin
g
unit’s available
memory is insufficient to receive all items in the sendin
g
unit’s memory. A messa
g
e indicates the number of bytes
the sendin
g
unit must delete to do the memory backup.
Delete items and try again.
MODE
You attempted to store to a window variable in another
g
raphin
g
mode or to perform an instruction while in the
wron
g
mode; for example,
DrawInv
in a
g
raphin
g
mode
other than
Func
.
NO SIGN CHNG
¦
The
solve(
function or the equation solver did not detect
a sign change.
¦
You attempted to compute
æ
when
FV
,
(
Úä
PMT
)
, and
PV
are all
‚
0, or when
FV
, (
Úä
PMT
), and
PV
are all

0.
¦
You attempted to compute
irr(
when neither
CFList
nor
CFO
is > 0, or when neither
CFList
nor
CFO
is < 0.
NONREAL ANS
In
Real
mode, the result of a calculation yielded a complex
result. This error is not returned durin
g
g
raphin
g
. The TI
.
83
allows for undefined values on a graph.
OVERFLOW
You attempted to enter, or you have calculated, a number
that is beyond the ran
g
e of the calculator. This error is not
returned durin
g
g
raphin
g
. The TI
.
83 allows for undefined
v
alues on a graph.
RESERVED
You attempted to use a system variable inappropriately.
See Appendix A.
SINGULAR MAT
¦
A sin
g
ular matrix
(
determinant = 0
)
is not valid as the
argument for
L
1
.
¦
The
SinReg
instruction or a polynomial re
g
ression
g
enerated a sin
g
ular matrix
(
determinant = 0
)
because it
could not find a solution, or a solution does not exist.
This error is not returned durin
g
g
raphin
g
. The TI
.
83
allows for undefined values on a graph.