INTEGRATING
The
calculator
is
calculating
an
integral.
This
might
take
a
while.
INVALID
DATA
Data
error:
•
Attempted
to
calculate
combinations
or
permutations
with
r>n,
with
non-integer
r or
n,
or
with
n>1012.
•
Attempted
to
use
a
trigonometric
or
hyperbolic
function
with
an
illegal
argument:
fTANl
with
x an odd
multiple
of
90°;
IacqsIor
fASiNl
with x <
-1
or
x>
1;
|hyp||atan|
with x <
-1
or x > 1;
fHYPllACOSl
with
x < 1.
INVALID
x\
Attempted a
factorial
or
gamma
operation with x as a negative
integer.
INVALID
y*
Exponentiation error:
• Attempted to raise 0 to the 0th or to a negative power.
• Attempted to raise a negative number to a non-integer power.
• Attempted to raise the
complex
number (0 +
iO)
to a number with
a negative real part.
INVALID
<i>
Attempted an operation with an indirect
address,
but the
number
in
the index register is invalid
(ItI
>27
or 0 <
b'l
< 1).
LOG<0)
Attempted
to
take
a
logarithm
of
zero
or (0 +
iO).
LOG(NEG)
Attempted to take a logarithm of a negative
number.
MEMORY
CLEAR
All of user memory has been erased (see page 255).
282
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