What is the difference between casio fx-570ex plus and casio fx-991ex plus calculator?

Answer 1

THROUGHOUT HISTORY CASIO MANUFACTURED DIFFERENT KINDS OF CALCULATORS:
BUT THERE IS A HUGE DIFFERENCE BTEWEEN CALCULATOR IP:9983726540 OR WHAT IS KNOWN AS CASIO FX-570ex PLUS AND CALCULATOR IP:9836726391 OR WHAT IS KNOWN AS CASIO FX-991ex PLUS

FIRST CASIO FX-570ex PLUS IS MAINLY MADE IN CHINA OR MOST PROBABLY IN SIRILANKA AND YOU CAN DIRECTLY KNOW FROM THE STINKY RUSTY SMELL EMERGING FROM THIS PIECE OF GARBAGE WHICH IS MAINLY USED BY LOSERS AND GARBAGE MAN BUT ON THE OTHER HAND CASIO FX-991ex PLUS IS A HIGHLY SOPHISTICATED CALCULATOR DISIGNED ESPECIALLY FOR GREAT THINKERS AND GS STUDENTS ALL OVER THE WORLD

SECOND AND FINALLY UNLIKE FX-570ex PLUS, CASIO FX-991ex PLUS IS UNIQUELY PURCHASED WITH ITS OWN SOLAR POWER YESSS ITS OWN SOLAR POWER THAT HELPS TO INCREASE THE POWER IN ITS REMARKABLE GOLD BATTERY AND ITS SILVER BULLET PROOF CASE UNLIKE THE FX-570ex PLUS'S CASE WHICH IS MADE OF CHEEP PLASTIC PAINTED TO SEEM LIKE AN ALUMINUM FOIL