Allen Osborne Associates Inc. is offering a free copy of Rascal firmware Version 3.0 to Rascal GPS owners. Version 3.0 includes the following capabilities at no cost: time-based tagging, distance-based tagging, calculation of position based on azimuth and range, and ready access to COGO (with appropriate upgrade). In addition to the free capabilities, the new firmware (with paid authorization code) features several other new capabilities: inversing for bearings, horizontal, slope and ground distances; "traversing" for area and perimeter values; bearing-bearing intersections; bearing-distance intersections; distance-distance intersections; and calculator-like functionality for common surveying problems. (Allen Osborne Associates, Westlake, Calif.)