display.

[ 2ndF ] [ CAD ] Statistical Register Clear Key

Clears the statistical calculation registers.

[ DATA ], [ DEL ] Data Entry and Delete Key

In the STAT mode, enter data by pressing the desired numbers, then [ DATA ]. If you enter incorrect data and do not notice your mistake until you press [ DATA ], enter the same incorrect data and then press [ DEL ] to delete that incorrect data.

[ x ] Arithmetic Mean Key

Calculates the arithmetic mean ( x ) of the data.

[ 2ndF ] [σn] Population Standard Deviation Key

Calculates the population standard deviation of the data.

[σn–1] Sample Standard Deviation Key

Calculates the sample standard deviation of the data.

[ 2ndF ] [Σx 2 ] Sum of Square Value Key

Calculates the sum of the square value (Σx 2) of the data.

[ 2ndF ] [ Σx ] Sum of Value Key

Calculates the sum of the value (Σx ) of the data.

[ n ] Number of Data Key

Displays the number of data (n) entries.

The Display

Indicators showed on the display to indicate you the current status of the calculator.

Floating point displays up to 10 digits.

The mantissa section displays up to 8 digits. the exponent section displays up to ±99.

SD

:

Indicates the statistical mode.

M

:

Indicates that a value is stored in memory.

: Appears to the left of the mantissa or exponent to

 

indicate that the respective value is negative.

E

: Indicates an error.

 

 

PGM

: Indicates the program learn mode.

GRAD

: Indicates the gradient units have been selected.

RAD

: Indicates that radian units have been selected.

DEG

: indicates that degree units have been selected.

2F

: Appears when the second function has been

 

selected.

 

 

HYP

: Appears when the hyperbolic function has been

 

selected.

 

 

 

-E6-

 

 

SRP-145N_English_Black_SR135A_090330.doc

SIZE: 140x75mm

 

SCALE 2:1

2009/3/30

 

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Citizen SRP-145N manual 2ndF CAD Statistical Register Clear Key, Data , DEL Data Entry and Delete Key, Arithmetic Mean Key