How to solve complex number in calculator Casio fx-991ES Plus [Calculator trick - 2020]

This calculator tutorial videos explain how to use a calculator and solve complex number-related calculations in Casio Calculator fx-991ES Plus 2nd edition scientific calculator. This calculator trick video is made in vertical mode to help you easily learn how to use Casio Calculator fx-991ES Plus 2nd edition. Here we explain three things: 1. How to multiply complex numbers 2. how to find conjugate of a complex number 3. how to convert polar to rectangular and vice versa Do share your comments and check out our other calculator tutorial video: Download Casio 991ES Plus 2nd Edition Emulator Software First Steps on Casio 991ES Plus Matrix Calculation Calculus (Differentiation & Integration) #Calculatortricks