Wikipedia:Textbausteine
1 2 ( 1 N ∑ i = 1 n q i N i ) / N m a x − 1 N ∑ i = 1 m p i M i ) / M m a x ) + 50 % {\displaystyle {\frac {1}{2}}({\frac {1}{N}}\sum _{i=1}^{n}q_{i}N_{i})/N_{max}-{\frac {1}{N}}\sum _{i=1}^{m}p_{i}M_{i})/M_{max})+50\%}