power77PowerMod Calculator How to calculate a b mod n. There are several ways to compute (a^b , text , n). The most efficient method consists of: divide the exponent (b) into powers of 2 by writing it in binary, obtaining (b = (d_{kPower 77 Radio | 15 followers on . Discover Positivity | We are an Urban Christian radio station playing Hip Hop, Rap, and Rhythm & Praise (R&B) music targeting Dallas, Texas.