***Hardeners to use***
Angel - All
Amarr Navy - EM/Thermal
Blood - EM/Thermal
Caldary navy - Kinetic/Thermal
Gurista, Mordus, Gallente - Kinetic/Thermal
Khanid - EM/Thermal
Mercenary - EM/Thermal/ (Kinetik (missiles)
Mordus - Kinetic/thermal
Odamian - Kin/therm
Rogue Pirate - EM/Explosive/Kinetic
Sansha - EM/Thermal
Serpentis - Kinetic/Thermal
Thukker - Kinetic/Thermal/Explosive
Zazzmatazz - all types of dmg

So... to make things simple: make your overview display Angular Velocity. Match youturret (as installed) Tracking Speed/Accuracy number to the target's Angular Velocity. If the turret value is higher, you hit. If not, you don't. No need to figure out any math and such