73
• For
TAN
:
x
= 90
¡
, -90
¡
, 270
¡
, -270
¡
, 450
¡
, etc., and
equivalent for radian mode.
• For
SIN
-1
or
COS
-1
: |
x
| > 1.
• For
nCr
or
nPr
:
n
or
r
are not integers
|
0.
• For
x
!:
x
is not an integer between 0 and 69.
EQUATION
LENGTH
ERROR
— An entry exceeds the digit
limits (80 for stat entries or 47 for constant entries); for
example, combining an entry with a constant that exceeds the
limit.
Exponent must be Integer
— This error is returned if the
exponent is not an integer.
FORMULA
— The formula does not contain a list name (L1,
L2, or L3), or the formula for a list contains its own list name.
For example, a formula for L1 contains L1.
FRQ
DOMAIN
— FRQ value (in
1-Var
and
2-Var
stats) < 0.
Highest Degree coefficient cannot be zero
— This error is
displayed if
a
in a Polynomial solver calculation is pre-
populated with zero, or if the you set
a
to zero and you move
the cursor to the next input line.
Infinite Solutions
—The equation entered in the System of
linear equations solver has an infinite number of solutions.
Input must be Real
—This error is displayed if a variable pre-
populates with a non-real number where a real number is
required and you move the cursor just past that line. The
cursor is returned to the incorrect line and you must change
the input.
Input must be non-negative integer
— This error is
displayed when an invalid value is input for
x
and
n
in the
DISTR
menus.
INVALID EQUATION
— This error is returned when:
• The calculation contains too many pending operations
(more than 23). If using the Stored operation feature (op),
you attempted to enter more than four levels of nested
functions using fractions, square roots, exponents with ^,
, e
x
, and 10
x
.
y
x
