Get the precision ballistics data you need, when you need it. Extremely user friendly, nearly all of your ballistics-related questions will be answered by this broad-minded CD-ROM. It provides a wealth of data, including multiple trajectory charts and graphics, calculate zero, uphill/downhill shooting, maximum range, minute-of-angle, profiled wind, atmospherics and more. Bullet library includes information from all major companies, and allows for the addition of new and custom bullets. Compatible with Windows Vista, XP, and Win2K.