The position of the graphically represented keys can be found by moving your mouse on top of the graphic. 

Turn your calculator on
Press Bottom Left Corner.
Clearing the memory
To clear the entire memory, press Row 3, Column 2.  You will have four options.  Choose Row 7, Column 2.  You should see the word ClrList on the screen.  Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key).  Press Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 (you should see L2 above left of the key).  You'll see the words ClrList L1,L2 on the screen.  Press Bottom Right Corner. 

 

Entering data
one variable
Press Row 2, Column 3 Row 8, Column 2 to enter statistics edit mode.  You'll see a screen with three columns L1, L2, L3.  Use L1.  Type in the first number. Press Bottom Right Corner.  Type in the second number.  Press Bottom Right Corner.  Continue until all the data has been entered.
two variables
Press Row 2, Column 3 Row 8, Column 2 to enter statistics edit mode.  You'll see a screen with three columns L1, L2, L3.  Use L1 for the x-variables and L2 for the y-variables.  Type in the first x-value.  Press Bottom Right Corner.  Continue until all of the x-values have been entered.  Press to move to the second column, L2.  Type in the first y-value.  Press Bottom Right Corner.  Continue until all of the y-values have been entered.  Make sure they line up with the corresponding x-values. 

 

Calculating one-variable statistics
mean (x)
Press Row 2, Column 3.  Use to move the cursor to the word CALC.  Press  Row 8, Column 2 (says "1:1-Var Stats").  You will now see "1-Var Stats" on the screen.   Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key). Press Bottom Right Corner and the answers will appear.  The mean is listed as x.
standard deviation for populations (s or sn)
Press Row 2, Column 3.  Use to move the cursor to the word CALC.  Press  Row 8, Column 2 (says "1:1-Var Stats").  You will now see "1-Var Stats" on the screen.   Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key). Press Bottom Right Corner and the answers will appear.  The population standard deviation is listed as sx.
standard deviation for samples (s or sn-1)
Press Row 2, Column 3, use to move the highlighted bar over the CALC menu. Press  Row 8, Column 2 (says "1:1-Var Stats"). You will now see "1-Var Stats" on the screen.  Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key). Press Bottom Right Corner and the answers will appear. The sample standard deviation is listed as sx.

Calculating two-variable statistics
r (correlation)
Press Row 2, Column 3, use to move the highlighted bar over the CALC menu. Press  Row 7, Column 3 (says "5: LinReg(ax+b)"). You will now see "LinReg(ax+b)" on the screen.   Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key). Press Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 (you should see L2 above left of the key.) You'll see the words LinReg(ax+b) L1,L2 on the screen. Press Bottom Right Corner. The correlation is the fourth thing in the  list (r = ...) 
regression coefficients
slope
Press Row 2, Column 3.  Use to move the cursor to the word CALC.   Press  Row 7, Column 3 (says "5: LinReg(ax+b)").  You will now see "LinReg(ax+b)" on the screen.   Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key).  Press Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 (you should see L2 above left of the key).  You'll see the words LinReg(ax+b) L1,L2 on the screen.  Press Bottom Right Corner.  The slope is the second thing in the list (a = ...).
y-intercept
Press Row 2, Column 3.  Use to move the cursor to the word CALC.  Press  Row 7, Column 3 (says "5: LinReg(ax+b)").  You will now see "LinReg(ax+b)" on the screen.   Press Row 1, Column 1 Row 8, Column 2 (you should see L1 above the key).  Press Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 (you should see L2 above left of the key).  You'll see the words LinReg(ax+b) L1,L2 on the screen.  Press Bottom Right Corner.  The correlation is the third thing in the list (b = ...). 


Calculating combinations and permutations
combinations (nCr)
Enter the n value. Press Row 3, Column 1.  You should see modes across the top of the screen.  You want the fourth mode: PRB (arrow right three times).   You will see several options: nCr is the third.  Press Row 8, Column 4.  Enter the r value.  Press Bottom Right Corner.
permutations (nPr)
Enter the n value.  Press Row 3, Column 1.  You should see modes across the top of the screen.  You want the fourth mode: PRB (arrow right three times).   You will see several options: nPr is the second.  Press Row 8, Column 3.  Enter the r value.  Press Bottom Right Corner.

 

Turning the calculator off
Press Top left corner, it's yellow Bottom left corner.  (It should say off above the ON key.) 

 

Worked Out Examples

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

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

15      16      20      21

1: Clear Memory  Row 3, Column 2 Row 7, Column 2 (4:ClrList) Row 1, Column 1 Row 8, Column 2 (L1) Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 (L2) Bottom Right Corner 
2: Enter Data  Row 2, Column 3 Row 8, Column 2 Row 8, Column 2 Row 7, Column 3 Bottom Right Corner Row 8, Column 2 Row 7, Column 4 Bottom Right Corner Row 8, Column 3 Row 9, Column 2 Bottom Right Corner Row 8, Column 3 Row 8, Column 2 Bottom Right Corner Row 1, Column 1 Row 1, Column 2 (QUIT)
3: Compute the mean  Row 2, Column 3 (CALC) Row 8, Column 2 (1-Var Stats) Row 1, Column 1 Row 8, Column 2 (L1)  Bottom Right Corner 
4: Compute the standard deviation (population)  Row 2, Column 3 (CALC) Row 8, Column 2 (1-Var Stats) Row 1, Column 1 Row 8, Column 2 (L1)  Bottom Right Corner 
5: Compute the standard deviation (sample)  Row 2, Column 3 (CALC) Row 8, Column 2 (1-Var Stats) Row 1, Column 1 Row 8, Column 2 (L1)  Bottom Right Corner 


    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 3, Column 2 Row 7, Column 2 (4:ClrList) Row 1, Column 1 Row 8, Column 2 ( L1) Row 5, Column 2 Row 1, Column 1 Row 8, Column 3 ( L2) Bottom Right Corner 
2: Enter Data  Row 2, Column 3 Row 8, Column 2 (1:Edit) Row 8, Column 2 Bottom Right Corner Row 8, Column 3 Bottom Right Corner Row 8, Column 4 Bottom Right Corner Row 7, Column 2 Bottom Right Corner Row 8, Column 3 Bottom Right Corner Row 7, Column 2 Bottom Right Corner Row 7, Column 3 Bottom Right Corner Row 6, Column 2 Bottom Right Corner Row 1, Column 1 Row 1, Column 2 (QUIT) 
3: Compute the slope of the regression line  Row 2, Column 3 (CALC) Row 7, Column 3 (LinReg(ax+b)) Row 1, Column 1 Row 8, Column 2 (L1) Row 5, Column 2 Row 8, Column 3 (L2) Bottom Right Corner
4: Compute the y-intercept of the regression line  Row 2, Column 3 (CALC) Row 7, Column 3 (LinReg(ax+b)) Row 1, Column 1 Row 8, Column 2 (L1) Row 5, Column 2 Row 8, Column 3 (L2) Bottom Right Corner
5: Compute the correlation  Row 2, Column 3 (CALC) Row 7, Column 3 (LinReg(ax+b)) Row 1, Column 1 Row 8, Column 2 (L1) Row 5, Column 2 Row 8, Column 3 (L2) Bottom Right Corner


    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 8, Column 2 Row 9, Column 2 Row 3, Column 1 (PROB) Row 8, Column 4 (nCr) Row 7, Column 4 Bottom Right Corner
2: Compute 9P5  Row 6, Column 4 Row 3, Column 1 (PROB) Row 8, Column 3 (nPr) Row 7, Column 3 Bottom Right Corner


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

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