Protective relay technician calculator for Symmetrical Components, Apparent Impedance, Phase-Phase calculations, Polar-to-Rectangular conversions and more. The iPad version goes well beyond the iPhone version in that the larger screen allows for more details. This is a relay tech calculation tool and an educational refresher tool.

RELAYS 101 alternatives

My Verizon

The My Verizon App works best if you are on one of our newer plans. Dont have a S, M, L or Unlimited?

  • rating 4.8
  • size 155 MB