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Question Mark Tower
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Glossary
For Teachers and Parents
Learn all about the wonder of calculators! Question Mark Tower Calculators are full of mysteries. Come explore their amazing world!
Mystery 1 What’s inside a calculator?
Mystery 2 How do calculators solve problems?
Mystery 3 Why are the buttons on calculators and telephones lined up in a different order?
Mystery 4 Why do calculators display numbers using short lines?
Mystery 5 What kinds of people use calculators a lot?
Mystery 6 What are the “AC” and “M+” buttons for?
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