Complex Numbers using Casio FX 991 EX Calculator

This video will show you how to add, subtract and multiply complex numbers using Casio Fx-991EX calculator. It also shows you how to find the modulus and the argument of a complex number and how to convert from polar to rectangular and visa versa as well. There are so many calculator features explained during the video. ** Purchase Casio CLASSWIZ FX-991EX eBay: https://ebay.us/DlKUlp Amazon USA: https://amzn.to/3l7JzAe Amazon UK: https://amzn.to/3DajqKA Amazon Germany: https://amzn.to/36o4Jb3 Amazon France: https://amzn.to/3LbXeCR All other Europe: https://amzn.to/3LbXeCR Amazon Canada: https://amzn.to/30QUfut You can also join my facebook page to play and learn mental math. You will find game quizzes where you can learn and practice with fun. Facebook   / fadimsaid   Instagram   / fadimsaid   Tiktok   / fadimsaid   #casio