e. (RP Conversion)

f. (PR Conversion)

([x, y]

[r,

])

([r,

θ

]

[x, y])

 

 

 

θ

 

 

 

 

Key operation

Display

Key operation

Display

x

 

 

x

θ

 

 

 

θ

a

 

 

x

b

 

 

 

θ

y

 

 

y

r

 

 

 

r

b

 

 

y

a

 

 

 

r

RP

 

 

r

PR

 

 

 

x

b

 

 

θ

b

 

 

 

y

 

 

 

 

SD

 

 

 

(23) Statistical calculation mode ([SHIFT] [ON/C]).

 

a. When you calculate the calculation of statistics, pressing

SD

 

keys for statistics mode ("SD" sign ). When

[SHIFT] [ON/C]

you clear to statistics mode, press the same keys ([SHIFT]

SD

 

 

 

 

 

 

 

 

[ON/C] ).

 

 

 

 

 

 

 

 

b. You can't perform the memory calculation, parenthesis

calculation or conversion of coordinates.

 

 

 

c. [DATA] : Data entry key.

[DEL] : Data clear key.

d. you can calculate the following statistical volume in this calculator.

1.n : Number of data (Number of sample).

2.Σx : Total of datum.

3.Σx2 : Total of square of each data.

4.x : Average of datum.

5.σn–1: The sample standard deviation of the data.

6.σn : The population standard deviation of the data.

 

 

 

 

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

 

xi

 

 

 

 

 

 

 

 

 

=

i =1

 

= Σx

 

 

 

 

 

x

 

 

 

 

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

 

n

 

 

 

 

 

n

 

 

 

 

 

 

 

 

 

(xi x )2

Σx 2

(Σx 2 ) / n

σn 1 =

 

i

=

 

 

 

 

=

 

1

 

 

 

 

 

 

n 1

 

 

 

n 1

 

 

 

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

(xi x )2

 

 

Σx 2

(Σx 2 ) / n

σn =

i

=

 

 

 

 

 

=

 

1

 

 

 

 

 

 

 

n

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

 

 

- E9 -

 

 

 

SR135_English_090326.rtf

SIZE : 140x75mm

SCALE 2:1

2009/3/26

 

 

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Image 10
Citizen Systems SR-135N manual On/C