2.
Calculators are a useful tool for a wide array of people. They help students to businessmen do all kinds of calculations. Over the years, they have developed to become more and more advanced.
3.
The abacus originated in China Was used to do simple calculations
Made more advanced calculators accessible on phones
Just needed to buy the app
Saved money
No more need to carry a calculator
12.
Future In the future I believe calculators will no longer be needed. As a child, a small chip will be put in our brain that allows us to do calculations in our head.
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