HP 12C Financial Programmable Calculator Manuale Utente Pagina 104

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103
Logarithmic Curve Fit
If your data does not fit a line or an exponential curve, try the following
logarithmic curve fit. This is calculated according to the equation
y = A + B
(ln
x), and all x values must be positive.
A typical logarithmic curve is shown below.
The procedure is as follows:
27.34 A
0.31 B
0.36 Effective growth rate.
7
232.35
Projected price at the end of year 7
(1982).
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