On 4/19/05, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote (edited): >=20 > Before electronic computers were developed some theory was > presented only in simplified form because the mathematics > were inractible by the available methods of computation. Do you mean infractible? If so, are you saying that before computers people were incapable of precise mathematics? --=20 Peter K =D3=BF=D5=AC