2·2
Begin with
the
Four
Arithmetic Operations
Try simple calculations. Bear in mind
that
there
is
a priority sequence in opera-
tion, i.e., multiplication and division take precedence over addition and sub-
traction.
Example
1:
23+4
.
5-53=
- 25 .5
Operation
~~C±J@8[§]EJ[§]~~
I
.-,
c:- c:-
- L
·-'
•.
_I
*From here on, numerals will be no longer placed in boxes.
Example
2:
56 X ( - I
2)
-;-
( -
2.
5)
= 268 . 8
Operation
5 6
OOG
1 2
08
2 • 5
~
*In the case
of
a negative numeral, press the
El
key before pressing
the
numeral
key.
Ex
ample
3:
7 x 8 - 4 x 5 = 36
Operation
700884005~
I
"T
••
.
)tr
*Multiplications are executed first, followed by subtraction.
Example
4:
( 4 . 5 X I 0
75
)
X ( - 2. 3 X I o-
7
s) = -
0.
0 I 035
Opera
tion
4 • 5
00
7 5
OOG
2 • 3
OOG
7 8
~
i~
-
-
~_3
_.
_
0
_
1_0_.3
_
~
_
,
__
__
_
*For exponent display, input an exponent after pressing the
[!]key.
21
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