Casio fx-65 Trainingshandleiding - Pagina 10
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FX 65 Training guide
Statistics
Entering and analyzing statistical data
[SHIFT] [STAT]
[COMP]
[SHIFT] [SAC]
[DATA]
[SHIFT] [DEL]
Note: You can input multiple entries of the same data using [x].
To input 100 ten times, press [100] [x] [10] [DATA].
After entering data, you can retrieve the following values:
-1
[SHIFT] [σ n
]
[SHIFT] [σ n]
x
[SHIFT] [
]
[SHIFT] [n]
[SHIFT] [∑x]
2
[SHIFT] [∑x
]
References the Casio FX-65 User's Guide
Enters the statistics mode.
Exits the statistics mode. Note that all input data is deleted.
Clears statistical memory. Be sure to perform this operation
before inputting new data.
Inputs the displayed value as data. Press [DATA] twice to input
two entries of the same value. (NOTE: This is the "M+" key).
Deletes the displayed value as data.
Sample standard deviation.
Population standard deviation.
Arithmetic mean.
Number of data items.
Sum of data.
Sum of the squares.
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Casio FX-65 Fraction calculator