Need ballistics data but don't have a program? You're in luck. Check out JBM's real-time interactive online ballistics calculator. It's very fast, very accurate, and. Sierra's Infinity Exterior Ballistic Computer Software version 6 provides multiple trajectory charts and graphics, point blank range, calculate zero, uphill/downhill. Software. Pointers to ballistics software available on the web (and elsewhere). I have not used most of these programs, so I am not attempting to review or even. Join our Mailing List Email address: Best of all, RSI's products are affordable and can be purchased as individual components for use with equipment you already. At yards I shot next, at a small dirt clod in the same bare field, and it disappeared. Measurement is the backbone of science. The Shooting Lab program does not forecast pressure and velocity using mathematical models. I use it to solve most of ballistic software shooting problems before I go to the range.