On Thu, Apr 05, 2007 at 04:49:40PM -0400, James Cloos wrote: > So out goal is to get 231 as our result. And your math shows that > multiplying by 256/31 does give that result. But why is the goal 231 when: | 28/31 - 231/255 | = 0.0026565464 | 28/31 - 230/255 | = 0.0012650221 -Jeff