5 ms·Cool. I may try that out. I would like to use LaTeX notation though : $\sum_{i=0}^{n-1} \sin 2\pi i/3$by waynecochran 12y agoCool. I may try that out. I would like to use LaTeX notation though : $\sum_{i=0}^{n-1} \sin 2\pi i/3$