(01-02-2015, 05:34 AM)Lotus Wrote: Ah, a code war you seek Y = Bottom + \frac{Top - Bottom}{1 + (\frac{X}{EC_{50}})^{\mathrm{-Hill coefficient}} } Or L + R \ \leftrightarrow \ L\! \cdot \!R K_d = \frac{[L][R]}{[L\! \cdot \!R]}