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Casio show you the difference between a genuine scientific calculator and a fake one. Using a fake scientific calculator in class or exams is risky. We will show you how to distinguish the real from the fake. Please check our website for more information: https://edu.casio.com/ng/authenticity_check_system/ Also check our Anti-counterfeit leaflet: https://www.casio.com/mea-en/scientific-calculators/content/choose-genuine-ke/ #FX-9910NGPLUS #FX-82MS #Approved Booklist #WACCSE #NECO #WAEC