ON 20030527@3:45:16 PM at page: http://massmind.org/techref/microchip/math/sqrt/16bint-18c-sd.htm DAV-MP-E62a David A Cary Says http://www.dattalo.com/gnupic/gpsim.html gpsim is a full-featured software simulator for Microchip PIC microcontrollers distributed under the GNU General Public License.