Patent ID: 8230635

Claim:
A method for using a ballistics calculator system, comprising: A) providing a ballistics calculator system comprising: 1) a processor, said processor comprising: a ballistics computer program on a computer readable medium for analyzing information to accurately aim a firearm at a target using a target acquisition device with a reticle, said program using information regarding the target acquisition device and reticle being used, wherein said type of target acquisition device and reticle comprises: a) a reticle, comprising: i) a simultaneously visible primary vertical cross-hair and a simultaneously visible primary horizontal cross-hair; ii) a plurality of simultaneously visible secondary horizontal cross-hairs intersecting at predetermined distances said simultaneously visible primary vertical cross-hair wherein said primary vertical cross hair and said secondary horizontal cross-hairs are selected from the group consisting of etched cross-hairs, engraved cross-hairs, and printed cross-hairs; and iii) a plurality of simultaneously visible secondary vertical cross-hairs intersecting at predetermined distances at least some of said secondary horizontal cross-hairs wherein said secondary vertical cross-hairs are selected from the group consisting of etched cross-hairs, engraved cross-hairs, and printed cross-hairs; and b) an output using an intersection of a least one of said secondary horizontal cross-hairs and at least one of said secondary vertical cross-hairs to identify an aiming point for hitting the target; and 2) a database on a computer readable medium; and B) inputting acquired information and/or information stored on said database regarding one or more of external conditions, the firearm being used, the projectile being used, the target acquisition device and reticle being used, the shooter, the target, and the relation of the shooter to the target; C) selecting one or more aiming points on said ballistics calculator system; and D) using the aiming point information displayed by the said ballistics calculator system to aim the firearm so as to hit the target.