User:Artkast
You really do not need to know anything about this person named artkast
<math>C=\frac{\int_{t_1}^{t_2} s^2(t)\, dt}{\int_{t_0}^{t_1} s^2(t)\, dt}</math
You really do not need to know anything about this person named artkast
<math>C=\frac{\int_{t_1}^{t_2} s^2(t)\, dt}{\int_{t_0}^{t_1} s^2(t)\, dt}</math