Project:Sandbox

$$A=\sum_{i}\bigl(1-10^{-{{T_{i}} \over {T_{0}}}}\bigr)\cdot{S_{i}}\cdot\bigl(1+\sqrt{2}\cdot10^{-{{N_{i}-1} \over {N_{0}-1}}}\bigr)$$

$$B=B_{0}\cdot {2 \over \pi}\arctan\bigl({A \over L}\bigr)$$