HP 12c Platinum Reference Manual page 99

4. Press 1 gRg> 0 gRg> 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>- 1 ³ 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)?
12c platinum / 12C
RPN Keystrokes
fCLEARH
45g°1_
51.5g°2_
53.75g°3_
80g°4_
122.5g°5_
210g°6_
gR~
1gRg>
0gRg>
~dzg°
g>1-
7gRg>
End of Year
1998(1)
1999(2)
2000(3)
2001(4)
2002(5)
2003(6)
2004(7)
12c platinum
ALG Keystrokes
fCLEARH
45g°1_
51.5g°2_
53.75g°3_
80g°4_
122.5g°5_
210g°6_
gR~
1gRg>
0gRg>
z~d³g° 0.31
g>-1³
7gRg>
Price
45
51.5
53.75
80
122.5
210
?
Display
First data pair input.
1.00
Second data pair input.
2.00
Third data pair input.
3.00
Fourth data pair input.
4.00
Fifth data pair input.
5.00
Sixth data pair input.
6.00
Correlation coefficient
0.95
(between ln y and x).
A
27.34
B
Effective growth rate.
0.36
Projected price at end of year
232.35
7 (2004).
Statistics 99
Comments