Advertisement
K YBOARD
Switches
ac line
power to the
Calculator.
Application
of
ac line power
lights
the
register
designators at
the
right
of the cathode ray
tube.
Selects the
entry
and
display units for the trigonometric
functions.
Selects
the
mode of
operation.
RUN:
used to perform
calculations, address the
pro-
gram
counter and execute a program
.
PROGRAM:
used
to
enter a program from the keyboard
and verify a program.
Selects
the
mode of
display.
FLOATING DECIMAL
POINT:
the
d1splay consists of a ten
-
digit
number and a two-d1g1t exponent. indicat-
ing
the
power of
ten
multiplier.
NUMBER
12,345.67898
DISPLAY
1.234567898
X
104
I 2 34 56 7 898 0'1
FIXED DECIMAL
POINT: the number is displayed with the
decimal
pomt correctly located. The dec1mal
wheel
sets
the
number of places to the nght of
the dec1mal point.
The least sign1ficant d1g1t 1s
rounded.
lf
the
number overflows to the left of
the decimal point, the
display
for the
overflowed
register
reverts to
floatmg
dec1mal point.
DECIMAL WHEEL SETTING
5
3
7
DISPLAY
I
2
3
'I
5.6
7
8 9 8
12 3 4 56 1_9_
t
Leading Zeros
Blanked
t
Last D1g1t
Rounded
Number
too
large
for
th
is settmg - automatically
shifts
to floating
decimal
point.
T.
h 7
error light indicates an illegal
operation such as
di-
~tSion
by 0
.•.
-v=:-;,
.
sin-t
x
( x
>
1), ln x (x
<
O).
An
Illegal operatton
dunng program
execution will not stop
the
program.
7
Advertisement
