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4. Key and Switch functions
1) Numerals key (0-9)
Sets the figure.
2)
Decimal
point
key (.)
Sets the decimal
point.
3)
Clear
entry/Clear
key
("c
E
)
During number
entry, a depression of
the CE/C key will perform
a
clear
entry function.
The
cleared entry
number may be
rep
laced by
a
following number
entry.
Function
mode (F)
and overflow condition
will
also be
reset. When the CE/C
key is depressed
twice,
all calculation
and entries will be
cleared except memory contents.
4) Plus key
(+)
Performs addition.
5) Minus key
(-)
Performs
subtraction
.
6) Multi"plication key
(x)
Performs multiplication.
-
6
-
7) Division key
(+)
Performs division
.
8) Equal key
(=)
Performs calculation or repeat calculation if the
+, -,
x,
+
or yX key has been previous-
ly depressed and the command of such calculations has been given.
9)
M~mory_
e.I':ls
key (M+)
Accumulates tl;le contents of display into the memory
store.
10) Recall memory key (RM)
Re~;;i\~the-m~mory~~~t~nts
to the display.
11) Clear memory key (CM)
.
Clears the memorycontents.
12) Enter Exponent key (EE)
The EE key is used to enter the exponent numbers during number entry. When the EE
key is depressed as the first key for number entry, then the mantissa is automatically
made to be 1, and enter-exponent mode is set. Following numeral key depressions enters
a power-of-ten exponent which shifts right-to-Ieft through the exponent digits. The last
two digits
entered
constitute the
exponent.
If the EE key is not the first key for number
-
7 -
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