Statistics calculation – Инструкция по эксплуатации CITIZEN SR-260N

Страница 16

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SR-260N_English_090324.rtf SIZE: 135x75mm / SCALE 2:1 / 2009/3/24

E15

Complex numbers are generally represented as a + b i, where a is a
real and b is imaginary.

DEG CPLX

[ 2ndF ] [ CPLX ] 7
[ a ] 9 [ +/– ] [ b ] [ + ]
15 [ a ] 10 [ b ] [ = ]

2 2. 0 0

DEG CPLX

( 7– 9 i ) + (15 +
10 i) = ?

[ b ]

1. 0 0

(Note) : Memory calculation is available in complex number mode.

Random numbers and Exchange key

Random key
Pressing [ RND ] key enables the display to generate random
numbers between 0.000 and 0.999.

DEG

Press [ 2ndF ] [ RND ]

0. 2 3 1

Exchange key
Pressing [ 2ndF ] [ X↔Y ] enables the displayed value to exchange as
the previous value.

DEG

123 [ + ] 456 [ = ]

5 7 9. 0 0

DEG

[ 2ndF ] [ X↔Y ]

4 5 6. 0 0

DEG

123 + 456 = ?

[ 2ndF ] [ X↔Y ]

5 7 9. 0 0

Unit conversion

incm

DEG

12 in = ? cm

12 [ AÆB ] [ 2ndF ]
[ in↔cm ]

3 0. 4 8

DEG

98 cm = ? in

98 [ 2ndF ] [ AÅB ]
[ 2ndF ] [ in↔cm ]

3 8. 5 8

(Note) : The operating procedure for unit conversion key, [

°F↔°C ],

[ mmHg↔kpa ], [ gal↔I ], [ lb↔kg ], [ oz↔g ], is similar to the
above example.

Statistics calculation

Computing single variable statistics

Select the mode by pressing [ STAT ] key and make sure
“STAT“ indictor appears on the display.
The STAT mode enables you to calculate the following single variable
statistics :
n

number of all data

Σ

x

sum of all data

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Эта инструкция подходит к следующим моделям: