Gallante <=> Caldari and Minmitar <=> Amarr.


Gravimetric => asteroids
Magnetometric => archeology
Radar => hacking
Ladar => gas mining

***Hardeners to use***
Angel - Explosive/Kinetic
Amarr Navy - EM/Thermal
Blood - EM/Thermal
Caldary navy - Kinetic/Thermal
Gurista, Mordus, Gallente - Kinetic/Thermal
Khanid - EM/Thermal
Mercenary - All
Odamian - Kin/therm
Rogue Pirate - EM/Explosive/Kinetic
Sansha - EM/Thermal
Serpentis - Kinetic/Thermal
Zazzmatazz - all types of dmg
Minmatar Fleet - Thermal / Explosive
gallente - thermal / kinetic
Drones - All

***Damage weaknesses***
Angel - Kinetic / Explosive
Amarr Navy - EM/Thermal
Blood Raiders - EM/Thermal
Caldari - Kinetic/Thermal
Drones - EM
Gallente - Kinetic/Thermal
Guristas - Kinetic/Thermal
Khanid - EM/Thermal
Minmatar Fleet - Thermal / Explosive
Mercenary - EM/Thermal
Mordus - Kinetic/thermal
Odamian - Kinetic/thermal
Rogue Drone - Kinetic/thermal
Rogue Pirate - EM/E


* NPC Damage types
Angel Cartel - Kinetic / Explosive / Thermal
Blood Raider - Thermal / EM
Guristas - Kinetic / Thermal
Sansha's Nation - EM / Thermal
Serpentis/Sevens - Kin/Therm
Mercenaries - all 4
Drones - all 4 - kin/therm
Amarr Navy - EM / Thermal
Caldari Navy - Kinetic / Thermal
Gallente Navy - Thermal / Kinetic
Minmatar Fleet - Thermal / Explosive
Ammatar Mandate - Thermal
Thukker Tribe - Thermal / Explosive - Explosive

* NPC Damage Resists - I.E. They are weak to these damage types
Angel Cartel - Explosive
Blood Raider - EM
Guristas - Kinetic
Sansha's Nation - EM
Serpentis/Sevens - Kinetic
Mercenaries - Thermal
Drones - EM / kinetic
Amarr Navy - EM / Thermal
Caldari Navy - Kinetic
Gallente Navy - Thermal
Minmatar Fleet - Thermal
Ammatar Mandate - Thermal
Thukker Tribe - Thermal

Stacking penalties
f(1) = 1
f(2) = 0.8708860
f(3) = 0.5705831Kvatris Akachi
f(4) = 0.2829552