-E10-
Arithmetic calculation
Arithmetic operations are performed by pressing the keys in the same
sequence as in the expression.
¾
7 + 5 x 4 = 27
DEG
7+5¼4=
7 [ + ] 5 [ x ] 4 [ ]
27.
For negative values, press [ +/– ] after entering the value; You can
enter a number in mantissa and exponent form by [ EXP ] key.
¾
2.75 x 10
– 5
= 0.0000275
DEG
2 . 75E–05=
2.75 [ EXP ] 5 [ +/– ] [ ]
0 . 0000275
Results greater than 10
12
or less than 10
–11
are displayed in
exponential form.
¾
12369 x 7532 x 74103 = 6903680612720
= 6.90368061272 x 10
12
DEG
12369¼7532¼7
12369 [ x ] 7532 [ x ] 74103
[
]
6 . 90368061272
12
Parentheses calculations
Operations inside parentheses are always executed first. SR-281 /
SR-282 can use up to 13 levels of consecutive parentheses in a single
calculation.
Closed parentheses occurring immediately before operation of the [ ) ]
key may be omitted, no matter how many are required.
¾
2 x { 7 + 6 x ( 5 + 4 ) } = 122
DEG
2 ¼(7+6¼(5+4=
2 [ ( ] 7 [ + ] 6 [ ( ] 5 [ + ] 4 [ ]
122.
(Note) : A multiplication sign " x " occurring immediately before an
open parenthesis can be omitted.
The correct result cannot be derived by entering [ ( ] 2 [ + ] 3 [ ) ] [ EXP ]
2. Be sure to enter [ x ] between the [ ) ] and [ EXP ] in the below
example.
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