[airoftime]

That's a good one. I really like the sin graph representation .

[Miiko]

That's not a sin graph, though, but 2 semi-circles.

[OskarS]

The arc-length of a sin curve is an elliptic integral, and project time estimation is hard enough without throwing elliptic integrals into the mix!

[th3iedkid]

you cannot unless co-sin'd