This is the GunSim.com Ballistics engine in for hunters and target shooters. Features: bullet drop, windage in inches and clicks, lead, velocity, energy, and a rangefinding tool for MilDots. Uphill / downhill angles, atmospherics, Gyroscopic Spin Drift and Coriolis Effect are supported. You get a database of thousands of bullets and loaded ammo types, a Ballistics table and a database to save your own data. Options: Yards/Meters, Mil/Moa, Inches/Cm, G1/G7 BC. One handed interface: The results change as you type. Two atmospherics screens, so you can zero in winter, and shoot in summer. There is now a Chart screen and a Reticle View screen.
There are over 2000 bullet types. You can calculate multiple BCs from your actual drop data.
You can backup your data to the GunSim website.