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Nüüdisväärtus (PV)

$$\begin{array}{rl}P{V}_{AnnuityDue}& =C\times \left[\frac{1-(1+\frac{r}{n}{)}^{-t}}{\frac{r}{n}}\right]\times (1+\frac{r}{n})\\ P{V}_{OrdinaryAnnuity}& =C\times \left[\frac{1-(1+\frac{r}{n}{)}^{-t}}{\frac{r}{n}}\right]\end{array}$$

Tulevikuväärtus (FV)

$$\begin{array}{rl}F{V}_{AnnuityDue}& =C\times \left[\frac{(1+\frac{r}{n}{)}^t-1}{\frac{r}{n}}\right]\times (1+\frac{r}{n})\\ F{V}_{OrdinaryAnnuity}& =C\times \left[\frac{(1+\frac{r}{n}{)}^t-1}{\frac{r}{n}}\right]\end{array}$$