The Display - Citizen SRP-265 User Manual

[ 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 ] [ ] Population Standard Deviation Key
Calculates the population standard deviation of the data.
[ s ] Sample Standard Deviation Key
Calculates the sample standard deviation of the data.
[ 2ndF ] [ x
Calculates the sum of the square value ( x
[ 2ndF ] [ x ] Sum of Value Key
Calculates the sum of the value ( x ) of the data.
[ n ] Number of Data Key
Displays the number of data (n) entries.
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.
STAT
M
–
E
PGM
CONST
GRAD
RAD
DEG
BUSY
2
] Sum of Square Value Key

The Display

: Indicates the statistical mode.
: Indicates that a value is stored in
memory.
: Appears to the left of the mantissa or
exponent to indicate that the respec-
tive value is negative.
: Indicates an error.
: Indicates the program learn mode.
: Indicates the constant mode.
: Indicates the gradient units have been
selected.
: Indicates that radian units have been
selected.
: indicates that degree units have been
selected.
: While an operation is executing.
: Indicates the deviation value
2
) of the data.
-E7-