Parentheses calculations – CITIZEN SR-281N User Manual

Page 11

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File name : CBM_SR-281N_IB_English_black_v09330.doc

Date: 2009/3/30 Trimmed Size : 140 x 75 mm SCALE 1 : 1

-E10-

¾

7 + 5 x 4 = 27

DEG

7 + 5 ¼ 4 =

7 [ + ] 5 [ x ] 4 [=]

2 7 .

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 . 7 5 E – 0 5 =

2.75 [ EXP ] 5 [ +/– ] [=]

0 . 0 0 0 0 2

7 5

Results greater than 10

12

or less than 10

–11

are displayed in

exponential form.

¾

12369 x 7532 x 74010 = 6895016425080
= 6.89501642508 x 10

12

DEG

1 2 3 6 9 ¼ 7 5 3 2 ¼ 7

12369 [ x ] 7532 [ x ] 74010
[=]

6 . 8 9 5 0 1 6 4 2 5 0 8

12

Parentheses calculations

Operations inside parentheses are always executed first. SR-281N
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 + 6 ¼ ( 5 + 4 =

2 [ ( ] 7 [ + ] 6 [ ( ] 5 [ + ] 4 [=]

1 2 2 .

(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.

¾

( 2 + 3 ) x 10

2

= 500

DEG

( 2 + 3 ) ¼ 1 E 0 2 =

[ ( ] 2 [ + ] 3 [ ) ] [ x ] [ EXP ] 2
[=]

5

0 0 .

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