The position of the graphically represented keys can be found by moving your mouse on top of the graphic. The function keys do not count as a row.

Turn your calculator on
Press Row 1, Column 6.
Clearing the memory
To get into STAT mode, press Row 1, Column 2 .  Now press Row 1, Column 6.  You should see CA above the key (for Clear All).

 

Entering data
one variable
Press Row 1, Column 2 (this brings you into STAT mode; fourth on the red list above the screen).  Press for one-variable (SD on the gray list below the screen).  Enter the first number, then Row 7, Column 5.  The screen will say n=1 because you have entered one data point.    Enter the next number, then Row 7, Column 5.  The screen will say n=2 because you have entered two data points.  Continue until all the data has been entered.   
two variables
Press Row 1, Column 2 (this brings us to the STAT mode; fourth on the red list above the screen).  Then press for two-variable mode (a+bx on the gray list below the screen).  Enter the first x-value, then Row 6, Column 5 (you should see (x,y) above the key).  Enter the corresponding y-value, then Row 7, Column 5.  The screen will say n=1 because you have entered one data point.  Enter the second x-value, then Row 6, Column 5.  Enter the second y-value, then Row 7, Column 5.  The screen will say n=2 because you have entered two data points.  Continue until all the data has been entered.

 

Calculating one-variable statistics
mean (x)
Press row 1, column 4 (has an up arrow above the key).
standard deviation for populations (s or sn)
Press row 1, column 4 (has an up arrow above the key). 
standard deviation for samples (s or sn-1)
Press row 1, column 4 (has an up arrow above the key).

Calculating two-variable statistics
r (correlation)
Press row 1, column 4 (has an up arrow above the key).
regression coefficients
slope
Press row 1, column 4 (has a little up arrow above the key).
y-intercept
Press row 1, column 4 (has a little up arrow above the key).


Calculating combinations and permutations
combinations (nCr)
First press Row 1, Column 2 to get into regular numeric mode. Then enter n, press , and enter r. Press .
permutations (nPr)
First press Row 1, Column 2 to get into regular numeric mode. Then enter n, press , and enter r. Press .

 

Turning the calculator off
Press Row 1, Column 5. It's next to Row 1, Column 6.

 

Worked Out Examples

In the following examples, we list the exact key sequence used to find the answer.  We list the keys by the main symbol on the key.  In parentheses we include a helpful mnemonic, e.g. (ex).


A: What is the mean and standard deviation of the following list of numbers?

15      16      20      21

1: Clear Memory   Row 1, Column 6 (CA)
2: Enter Data   Row 1, Column 2  
3: Compute the mean   row 1, column 4 
4: Compute the population standard deviation   row 1, column 4 
5: Compute the sample standard deviation   row 1, column 4 


    You should get a mean of 18, population standard deviation of 2.549509757 and a sample standard deviation of 2.943920289.

B: Find the linear regression line for the following table of numbers. Also find the correlation.

x 1 2 3 4
y 2 4 5 7

1: Clear Memory   Row 1, Column 6 (CA)
2: Enter Data   Row 1, Column 2     
 
3: Compute the slope of the regression line   row 1, column 4
4: Compute the y-intercept of the regression line   row 1, column 4 
5: Compute the correlation   row 1, column 4


    You should get a slope of 1.6, a y-intercept of 0.5, and a correlation of 0.992277876.
    The regression line would be: y = 1.6x+0.5.

C: Find 10C6 and 9P5.
1:Compute 10C6   Row 1, Column 2
2: Compute 9P5   Row 1, Column 2 (nPr)


You should get 10C6 = 210 and 9P5= 15120.

For more information, consult the manual.

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