>> > What's the fastest way to square a 10-bit number? > >Try looking in the applications handbook, the maths routines include >8 and 16 bit multiplies. Use the 16 bit one but limit the first byte to >a 2 bit multiply. > >Stuart Taylor What is this "applications handbook?" Could you please elaborate a little more about whait it is, what's in it, and where to get it? Thanks, -Matt "DOS Computers manufactured by companies such as IBM, Compaq, Tandy, and millions of others are by far the most popular, with about 70 million machines in use wordwide. Macintosh fans, on the other hand, may note that cockroaches are far more numerous than humans, and that numbers alone do not denote a higher life form."