Easy, accurate and advanced, the GunSim.com Ballistics engine in handy mobile format for hunters and target shooters, with a graphic Simulator. It is not a game, and is only of interest to Rifle shooters. Features: bullet drop, windage in inches and clicks, lead, velocity, energy, and a MilDot rangefinding tool. Uphill / downhill angles and atmospherics are supported. Options: Yards/Meters, Mil/Moa, Inches/Cm, G1/G7 BC.It also has thousands of Bullet/Ammo entries from different manufacturers, and you can save your own loads.Coriolis effect and spin drift are included.