Sharp EL-738 EL-738 Operation Manual - Page 12

General Information - decimal place

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Chapter 2 General Information Basic Calculations Entering numbers and arithmetic operations • Use the number keys 0 to 9, decimal point key ., and sign change key , to enter numbers into the calculator. To clear the display or entry, press s. • Use the S key to enter a value in scientific notation. • Use the arithmetic keys + - x 8 to perform the standard arithmetic calculations of addition, subtraction, multiplication, and division. Press = to perform each calculation. • Use the ( and ) keys to place parentheses around inner parts of expressions. The closing parenthesis ) just before = or h may be omitted. • When you enter a series of operations in one sequence, the calculator performs the calculation according to the priority levels in calculation on page 81. Example Key operation 45 + 285 ÷ 3 = s 45 + 285 8 3 = 18 + 6 = 15 - 8 ( 18 + 6 ) 8 ( 15 - 8 = 42 x , 5 + 120 = 42 × (-5) + 120 = *1 (5 ,) *1 (5 × 103) ÷ (4 × 10-3) = 5 S 3 8 4 S , 3 = Result 14000 343 -9000 125000000 Clearing the Entry and Memories The following methods of clearing the calculator (restoring default settings) are available: 11

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11
Chapter 2
General Information
Basic Calculations
Entering numbers and arithmetic operations
• Use the number keys
0
to
9
, decimal point key
.
,
and sign change key
,
to enter numbers into the calcula-
tor. To clear the display or entry, press
s
.
• Use the
S
key to enter a value in scientific notation.
• Use the arithmetic keys
+
-
x
8
to perform the
standard arithmetic calculations of addition, subtraction, multi-
plication, and division. Press
=
to perform each calculation.
• Use the
(
and
)
keys to place parentheses around
inner parts of expressions. The closing parenthesis
)
just
before
=
or
h
may be omitted.
• When you enter a series of operations in one sequence, the
calculator performs the calculation according to the priority
levels in calculation on page 81.
Example
Key operation
Result
45 + 285 ÷ 3 =
s
45
+
285
8
3
=
14000
18 + 6
=
15 – 8
(
18
+
6
)
8
(
15
-
8
=
343
42
×
(–5) + 120 =
42
x
,
5
+
120
=
*
1
(
5
,
)
-9000
(5
×
10
3
) ÷ (4
×
10
–3
) =
5
S
3
8
4
S
,
3
=
125000000
Clearing the Entry and Memories
The following methods of clearing the calculator (restoring de-
fault settings) are available:
*
1