Statistics 99
4.
Press 1
gRg>0gRg> to obtain A in the equation above.
RPN Mode:
5.
Press
~dzg° to obtain B.
6.
Press
g>1- to obtain the effective growth rate (as a decimal).
ALG Mode:
5.
Press
z~d³g° to obtain B.
6.
Press
g>-1³ to obtain the effective growth rate (as a decimal).
7.
To make a y-estimate, key in the x-value and press
gRg>.
Example 1: A stock's price in history is listed below. What effective growth rate does this
represent? If the stock continues this growth rate, what is the price projected to be at the
end of 2004 (year 7)?
End of Year Price
1998(1) 45
1999(2) 51.5
2000(3) 53.75
2001(4) 80
2002(5) 122.5
2003(6) 210
2004(7) ?
12c platinum / 12C
RPN Keystrokes
12c platinum
ALG Keystrokes
Display Comments
fCLEARH fCLEARH
45g°1_ 45g°1_
1.00
First data pair input.
51.5g°2_ 51.5g°2_
2.00
Second data pair input.
53.75g°3_ 53.75g°3_
3.00
Third data pair input.
80g°4_ 80g°4_
4.00
Fourth data pair input.
122.5g°5_ 122.5g°5_
5.00
Fifth data pair input.
210g°6_ 210g°6_
6.00
Sixth data pair input.
gR~ gR~
0.95
Correlation coefficient
(between ln y and x).
1gRg> 1gRg>
0gRg> 0gRg>
27.34
A
~dzg° z~d³g°
0.31
B
g>1- g>-1³
0.36
Effective growth rate.
7gRg> 7gRg>
232.35
Projected price at end of year
7 (2004).
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