I = FV − PV

I = PV * r * t

FV = PV(1 + r * t)

$$\text{PV} = \frac{\text{FV}}{(1 + r*t)}$$

FV = PV(1+r₁*t₁+r₂*t₂+…+r_n*t_n)

Rf=Rn(1-T) rf=Rn*0,81

I = FV − PV

I = PV * r^t

FV = PV(1 + r)^t

$$\text{PV} = \frac{\text{FV}}{{(1 + r)}^{t})}$$

FV = PV(1 + r₁)^t₁*(1+r₂^t₂)*…*(1+r_n^t_n)

$$r = \sqrt[t]{\frac{\text{FV}}{\text{PV}}}$$

$$t = \frac{\log\frac{\text{FV}}{\text{PV}}}{log(1 + r)}$$

FVCF=CF₀(1+r_o)ⁿ +CF₁(1+r₁)^n-1+…+CF_n(1+r_n)^n-n

FVCF=ΣCF_t(1+r_t)^n-t

PVCF=CF₀/(1+k_o)⁰ +CF₁/(1+k₁)¹+CF_n/(1+k_n)ⁿ

PVCF=ΣCF_t/(1+k_t)^t

$$FVA = A\frac{{(1 + r)}^{\begin{matrix} \ \\ n \\ \end{matrix}} - \ 1}{r}$$

$$FVA = A\left\lbrack \frac{{(1 + r)}^{\begin{matrix} \ \\ n + 1 \\ \end{matrix}} - \ 1}{r} - \ 1 \right\rbrack$$

$$PVA = A\frac{{(1 + r)}^{\begin{matrix} \ \\ n \\ \end{matrix}} - \ 1}{{r(1 + r)}^{n}}$$

$$PVA = A\frac{{(1 + r)}^{\begin{matrix} \ \\ n \\ \end{matrix}} - \ 1}{{r(1 + r)}^{n - 1}}$$

PVP=P$\frac{1}{r}$

PVP=P+P$\frac{1}{r}$=P$\left( \frac{1 + r}{r} \right)$