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_{kOur Location. KPOWKDRO Offices 301 S. Ohio St. Sedalia, MO 65301. Toll-Free 1-877-310-9700. STATION PUBLIC ACCESS