David C. Ullrich wrote: > f: 0.0158488750458 > g: 0.000610113143921 > h: 0.00200295448303 > f: 0.0184948444366 > g: 0.000257015228271 > h: 0.00116610527039 I suspect you're hitting the point of diminishing returns with g, and any further investigations into optimisation are purely for fun and learning ;) Tim Delaney