$${\mathtt{Kn}} = {\mathtt{Ko}}{\mathtt{\,\times\,}}{\left({\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{p}}}{{\mathtt{100}}}}\right)}^{{\mathtt{n}}}$$
http://www.zinsen-berechnen.de/zinsrechner.php
$${\mathtt{Kn}} = {\mathtt{Ko}}{\mathtt{\,\times\,}}{\left({\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{p}}}{{\mathtt{100}}}}\right)}^{{\mathtt{n}}}$$
http://www.zinsen-berechnen.de/zinsrechner.php