\begin{calculations}[h]
\centering
\scriptsize
\begin{eqnarray*}
psize\_cost\_factor & = & lookup\_psize\_cost\_factor(psize) \\
cost      & = &  2^{ff}*psize\_cost\_factor*(mexp/10)
\end{eqnarray*}
\caption{MyModel: Cost Calculation}\label{calc:mymodel-cost}
\end{calculations}
