Does anyone know of a program that will make charts using powers of 10 (i.e. 3.3x10^9 )notation rather than E notation? Matthew Arno, Ph.D., P.E., CHP Vice-President, COO, Owner Foxfire Scientific, Inc. 1716 Briarcrest Dr. Suite 300 Bryan, TX 77802-2777 ph: 979-691-7334 cell: 979-219-0822 fax: 979-691-7399