Fuente: Wipo "digitalization" Systems, devices and non-transitory mediums that may display (a) a list of weapons or ammunition, allowing the user to select a type of weapon or ammunition; (b) a reticle selection screen allowing a user to select the type of reticle to be displayed; (c) adjustment controls allowing the user to adjust the positioning of the display reticle; (d) adjustment controls allowing the user to mark a position of a firearm reticle; (d) a range-to-target screen allowing the user to directly input range information or to employ a range finder; (e) a keypad allowing a user to enter a height estimate for the target; a scaling control screen to allow the user to input relative height information of the target; (f) an environmental information page allowing the user to enter the environmental factors; or (g) an optimized aim point or adjusted reticle based on such information.