Future Value of a Single Deposit (Simple Interest)
${\scriptscriptstyle F=P\left(1+rt\right)}$ 

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Future Value of a Single Deposit (Compound Interest)
${\scriptscriptstyle F=P{\left(1+\frac{r}{k}\right)}^{kt}}$ 

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Future Value of an Annuity (Repeated Deposits)
${\scriptscriptstyle F=P\left(\frac{{\left(1+\frac{r}{k}\right)}^{nk}1}{r/k}\right)}$ 

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Present Value of an Annuity (Repeated Withdrawals)
${\scriptscriptstyle M=P\left(\frac{r/k}{1{\left(1+\frac{r}{k}\right)}^{nk}}\right)}$ 

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Inflation
U.S. Inflation Calculator
Use the U.S. inflation calculator. This calculation
uses annual inflation rates from 1913 up to the present time.
Prices
${\scriptscriptstyle F=P{\left(1+i\right)}^{n}}$
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Value of Money
${\scriptscriptstyle F=\frac{P}{{\left(1+i\right)}^{n}}}$
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