SR17C-E-0716.doc SIZE: 140x75mm SCALE 2:1 2003/10/4
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[ 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 ] [
Ӻ
] 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 ] [
Ӣ
x
2
] Sum of Square Value Key
Calculates the sum of the square value (
Ӣ
x
2
) of the data.
[ 2ndF ] [
Ӣ
x ] Sum of Value Key
Calculates the sum of the value (
Ӣ
x ) 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
²
99.
STAT
: 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 respec-
tive value is negative.
E
: Indicates an error.
PGM
: Indicates the program learn mode.
CONST
: Indicates the constant 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.
BUSY
: While an operation is executing.
Ӻ
:
Indicates the deviation value