Row 1 starts with the Y= key. 
The position of the graphically represented keys can be found by moving your mouse on top of the graphic.

Turn your calculator on
Press The On Key: Row 3, Column 1.
Clearing the memory
Press The Stat Key: Row 4, Column 2 The Down Arrow Key (to B OPE, short for operations) The Right Arrow Key: The Down Arrow Key The Down Arrow Key The Down Arrow Key (to 4 ClrList). You will see the word ClrList on the screen. Now press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 . The calculator will tell you Done. 
Alternatively, after pressing The Stat Key: Row 4, Column 2, you can press the key with the letter B above it and then the four key.

 

Entering data
one variable
Press The Stat Key: Row 4, Column 2 (to get into A EDIT). You will see columns. Enter each of the numbers in your list, pressing after each one.
two variables
Press The Stat Key: Row 4, Column 2 (to get into A EDIT). You will see columns. Enter the first x-value, then press . Enter the remaining x-values, pressing after each one. Press The Right Arrow Key: to move to List 2. Enter the corresponding y-values, pressing after each one.

 

Calculating one-variable statistics
 The instructions given here will provide you will all three of these statistics.
mean (x)
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key (to C CALC) The Right Arrow Key: (to 1 1_Stats). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 . Look for x.
standard deviation for populations (s or sn)
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key (to C CALC) The Right Arrow Key: (to 1 1_Stats). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 . Look for sx.
standard deviation for samples (s or sn-1)
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key (to C CALC) The Right Arrow Key: (to 1 1_Stats). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 . Look for sx.

Calculating two-variable statistics
r (correlation)
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key (to D REG) The Right Arrow Key: The Down Arrow Key (to 2 ax+b). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 . Look for r.
regression coefficients
slope
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key (to D REG) The Right Arrow Key: The Down Arrow Key (to 2 ax+b). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 . Look for a.
y-intercept
Press The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key (to D REG) The Right Arrow Key: The Down Arrow Key (to 2 ax+b). Press The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 . Look for b.


Calculating combinations and permutations
combinations (nCr)
Enter n. Press The Down Arrow Key The Down Arrow Key (to C PROB) The Four Key: Row 8, Column 1 (4 nCr). Enter r, then press .
permutations (nPr)
Enter n. Press The Down Arrow Key The Down Arrow Key (to C PROB) The Three Key: Row 9, Column 3 (3 nPr). Enter r, then press .

 

Turning the calculator off
Press The Second F Key: Row 3, Column 2 The On Key: Row 3, Column 1.

 

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  The Stat Key: Row 4, Column 2 The Down Arrow Key (B OPE) The Right Arrow Key: The Down Arrow Key The Down Arrow Key The Down Arrow Key (4 ClrList) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2
2: Enter Data  The Stat Key: Row 4, Column 2 (A EDIT) The One Key: Row 9, Column 1 The Five Key: Row 8, Column 2 The One Key: Row 9, Column 1 The Six Key: Row 8, Column 3 The Two Key: Row 9, Column 2 The Zero Key: Row 10, Column 1 The Two Key: Row 9, Column 2 The One Key: Row 9, Column 1  
3: Compute the mean   The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key (C CALC) The Right Arrow Key: (1 1_Stats) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 (x)
4: Compute the population standard deviation   The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key ( C CALC) The Right Arrow Key: ( 1 1_Stats) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 (sx) 
5: Compute the sample standard deviation   The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key ( C CALC) The Right Arrow Key: ( 1 1_Stats) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 (sx)


    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   The Stat Key: Row 4, Column 2 The Down Arrow Key ( B OPE) The Right Arrow Key: The Down Arrow Key The Down Arrow Key The Down Arrow Key ( 4 ClrList) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2
2: Enter Data   The Stat Key: Row 4, Column 2 (A EDIT) The One Key: Row 9, Column 1 The Two Key: Row 9, Column 2 The Three Key: Row 9, Column 3 The Four Key: Row 8, Column 1 The Right Arrow Key:  The Two Key: Row 9, Column 2 The Four Key: Row 8, Column 1 The Five Key: Row 8, Column 2 The Seven Key: Row 7, Column 1
3: Compute the slope of the regression line  The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key (D REG) The Right Arrow Key: The Down Arrow Key (2 ax+b) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 (a)
4: Compute the y-intercept of the regression line  The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key ( D REG) The Right Arrow Key: The Down Arrow Key ( 2 ax+b) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 (b)
5: Compute the correlation  The Stat Key: Row 4, Column 2 The Down Arrow Key The Down Arrow Key The Down Arrow Key ( D REG) The Right Arrow Key: The Down Arrow Key ( 2 ax+b) The Second F Key: Row 3, Column 2 The One Key: Row 9, Column 1 The Comma Key: Row 6, Column 4 The Second F Key: Row 3, Column 2 The Two Key: Row 9, Column 2 (r)


    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

 The One Key: Row 9, Column 1 The Zero Key: Row 10, Column 1 The Down Arrow Key The Down Arrow Key (C PROB) The Four Key: Row 8, Column 1 (4 nCr) The Six Key: Row 8, Column 3

2: Compute 9P5  The Nine Key: Row 7, Column 3 The Down Arrow Key The Down Arrow Key (C PROB) The Three Key: Row 9, Column 3 (3 nPr) The Five Key: Row 8, Column 2


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

Go to: 

Sharp's online manual sample problem set home page
1