1
\mathrm{Interest\ (I)}=\frac{\mathrm{P}\times\mathrm{n}(\mathrm{n}+1)\times\mathrm{r}}{2\times12\times100}
2
Maturity Value (MV) = P × n + I
3
\mathrm{Maturity\ Value\ (MV) }=\mathrm{P}\times\mathrm{n}+\frac{\mathrm{P}\times\mathrm{n}(\mathrm{n}+1)\times\mathrm{r}}{2\times12\times100}
4
Amount deposited = P × n
5
Interest (I) = MV − P × n