Specifications
Manual calculation
and
program calculation are performed in
the
"R
UN"
mode.
(Press
~
[e)
and RUN
will
be
displayed.l
"0
EG",
"RAO"
and
"G
RAil,
only
apply
to
angular units and
their
display
has
no
effect
for
a calculation which
has
nothing
to
do
with
angular units.
The PCA
has
a
built
in Calculation
Priority
Sequence and
will
perform calculations
based
on
that
sequence.
The Calculation
Priority
Sequence
is
determined
as
follows.
CD
Functions
(S
IN,
COS,
TAN,
etc.)
®Power
@Multiplication
and division
(*
and /)
@Addition
and subtraction (+ and
-)
Example:
2 + 3
*SIN
(17+
13)
t 2 =2.75
"-----I
CD
®
The PC-4
can
sustain 12
input
positions
for
the mantissa
portion
and 2 positions
for
the
exponential
portion.
Internal operations are also performed using
12
positions
for
the
mantissa
portion
and 2 positions
for
the
exponential
portion.
The
range
extends
from
1 x
10-
99
to
±9.99999999999
x
10'"99
and
O.
The number
of
output
positions
is
10
for
the mantissa
portion
and 2
for
the exponential
portion.
However,
if
an
exponential
portion
is
attached, the mantissa
portion
will
be 8
positions.
*
For
function
results, when the number
of
display positions (12 positions)
is
ex-
ceeded, up
to
12 positions
will
be
displayed, including 0 and the decimal
point.
-14-