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THE KEYBOARD
SWITCHES
Applies ac line power to the calculator.
Lights the register designators, located to the right of the
dis-
play; these also act as a pilot light to indicate that the calcula-
tor is 'on'.
NOTE
See Page
4
for power requ irements and turn -on
in-
structions.
Selects the type of unit, degrees or radians, to be used and dis-
played in calculations involving the trigonometric
functions;
angles must be entered and will be displayed in the units
select-
ed. Resetting the switch from DEGREES (RADIANS) to RADIANS
(DEGREES) will not automatically convert degrees (radians) to
radians (degrees); to make the conversion refer to Page 44
.
Selects the mode of calculator operation.
PROGRAM MODE: used when entering a program from the
key-
board and when editing a program ( explained in the
pro-
gramming section of this manual).
RUN
MODE:
used when performing calculations, entering a
pro-
gram from a magnetic card, running a program and
ad-
dressing the program counter (the programming functions
are explained in the programming section of this
manual).
Selects the display mode (see also Page 11 )
.
FLOATING DECIMAL
POINT:
numbers of up to ten digits are
displayed plus the two digit exponent (which indicates the
power of ten
multiplier).
Non significant zeros are
blank-
ed.
EXAMPLE:
NUMBER
12,345.67898
==
1.234567898
X
10
4
DISPLAY
1.
234 567 898
04
OFF~
POWER
DEGREES
ROG A
I
F OATING
lW
FIX D P
19
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