FEATURE BALLISTIC COMPUTERS Much like going from a slide rule to an iMac, today's software for mobile devices can take the guesswork out of windage and elevation settings for long-range ballistic solutions. BY MAJ. JOHN L. PLASTER, U.S. Army, (Ret.) Ballistic Software For 72 D ECEMBER 2013 AMERICANRIFLEMAN.ORG Photos by authorhttp://www.AMERICANRIFLEMAN.ORG