HP 12C Financial Programmable Calculator Manual do Utilizador descarregar pdf (Página 104)

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.

232.35

Projected price at the end of year 7

(1982).

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HP 12C Financial Programmable Calculator Manual do Utilizador Página 104