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All kinds of guides can be found here

Probe scanning video guide (copy/paste to your browser)
http://www.youtube.com/watch?v=x9HZJzxU8sw

Stacking Penalty:
Module #1 applies 100% of bonus
Module #2 applies 87% of bonus
Module #3 applies 57% of bonus
Module #4 applies 28% of bonus
Module #5 applies 11% of bonus

Standing to use agents:
Lv2 = 1.0
Lv3 = 3.0
Lv4 = 5.0
Lv5 = 7.0

Skill training rate =
Primary attrib. + [0.5x Secondary attrib.] SP per minute

Turret chance to hit:
ChanceToHit = 0.5 ^ ((((Transversal speed/(Range to target * Turret Tracking))*(Turret Signature Resolution / Target Signature Radius))^2) + ((max(0, Range To Target - Turret Optimal Range))/Turret Falloff)^2)

Align time (seconds) =
[mass(kg) / 1mil] x inertia x 1.386

Lock time (seconds) =
[40000/ScanRes] / [asinh(SigRadius) ^2]