Texas Instruments TI Programmable 57 User Manual

A
flashing
display
indicates
that
the
limits
of
the
calculator
have
been
violated
or
that
an
invalid
calculator
operation
has
been
requested.
Pressing
or
stops
the
flashing.
also
clears
the
display
and
pending
operations.
[CE]
stops
the
flashing
only,
permitting
further
calculations
with
undisturbed
pending
operations.
The
display
flashes
for
the
following
reasons:
1.
Calculation
entry
or
result
(in
display
or
memories)
outside
the
range
of
the
calculator,
+1
«
10-"
to
+9.9999999
=
10
.
The
exceeded
limit
is
flashed,
indicating
underflow
or
overflow.
2.
Inverse
of
a
trigonometric
function
with
an
invalid
value
for
the
function
such
as
sin-'x
with
x
greater
than
1.
The
invalid
value
x
is
flashed.
3.
Root
or
logarithm
of
anegative
number.
The
root
or
logarithm
of
the
absolute
value
of
the
number
is
flashed
to
indicate
the
sign
error.
4.
Raising
a
negative
number
to
any
power
(or
root).
The
power
(or
root)
of
the
absolute
value
of
the
number
is
flashed.
5.
Pressing
two
operation
keys
in
succession.
This
affects
J,
1,
BO,
&),
1,
and
iw)
GB)
(for
*/y).
The
last
entered
number
is
flashed
6.
Pressing
E
or
DO
atte
),
2),
2),
&),
B35,
or
Ow)
4)
(for
Vy).
The
last
entered
number
is
flashed.
7.
Having
more
than
9
open
parentheses
or
more
than
4
pending
operations.
The
10th
parenthesis
or
Sth
operation
is
not
accepted
so
calculation
can
continue.
The
last
displayed
number
is
flashed.
8.
Dividing
a
number
by
zero.
"9.9999999
99"
is
flashed.
(Except
0
0
(=)
|
flashing.)
9,
Pressing
an
operation
key
before
completing
any
memory
operation,
fix
decimal
operation
or
direct
transfer
operation.
The
value
in
the
display
is
flashed.
(ie.
St)
[4])
10,
Attempting
to
store,
recall,
or
use
other
memory
operations
with
locations
other
than
0
through
7.
(ie.
S)
8).
11.
Attempting
to
find
values
of
functions
with
entered
values
outside
these
limits:
Function
Limit
sin™'x,
cos™'x
-l=x
sl
e*
~
22795592
=
x
=230.25850
10*
—~99
<
x
<100
Inx
1
x
10-”
<|x|<1
x
10°
log
x
Lx
10s
x
<Ix
10”
(inv)
GO
1
3<
100
<R
a
A-6

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English