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![CASIO][991EX] Why is the answer 0? : r/calculators](https://preview.redd.it/9c8lce2n6e891.jpg?width=4032&format=pjpg&auto=webp&s=e80b643fa163f188b523de70cf2ab873c1214813 "CASIO][991EX] Why is the answer 0? : r/calculators")
CASIO][991EX] Why is the answer 0? : r/calculators
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