HOW TO SOLVE INDEFINITE INTEGRATION IN CASIO FX-991 CW SCIENTIFIC CALCULATOR Integration is one of the topics in calculus that can be solved using Casio fx-991 cw scientific calculator. In this video, I explained and showed how you can solve indefinite integral using Casio fx-991 cw scientific calculator as a trick or hack for calculus. After watching this video, you will be able to solve problems involving indefinite integration using Casio fx-991 cw scientific calculator as a trick or hack easily and fast especially for multiple choice questions in calculus. SUBSCRIBE FOR MORE OF MY VIDEOS / @casiocalculatortutor #Integration calculator trick, hack, or technique #Casiocalculatortutor