Abstract: Systems and methods to calculate ballistic solutions for use with a projectile launching device are disclosed herein. In some embodiments, the system includes a telescopic sight assembly for viewing a target, wherein the telescopic sight assembly comprises at least one display device for displaying information, a processor, a memory, and a data input device, wherein the system for use with a projectile launching device to calculate ballistic solutions is configured to perform passive target ranging. In some embodiments, the system includes a telescopic sight assembly for viewing a target, at least one display device for displaying information to a user within the field-of-view of the telescopic sight assembly, a processor configured to receive user input data associated with one or more actual projectile impact locations as observed by the user, a memory, and a data input device, wherein at least one display device displays a calculated projectile impact location.