Q: What is a calculator?
A: A calculator is a machine which allows people to do math operations more easily.
Q: What types of calculations can most calculators do?
A: Most calculators can add, subtract, multiply, and divide. Some also do square roots, and more complex calculators can help with calculus and draw function graphs.
Q: Where are calculators found?
A: Calculators are found everywhere. A smartphone or other computer can also act as a calculator.
Q: How does an abacus work?
A: An abacus will work without electricity.
Q: How does an electronic calculator work?
A: An electronic calculator uses batteries for power.
Q: What type of calculations can simple calculators do?
A: Simple calculators can only add, subtract, multiply and divide, and sometimes take square roots.
Q: What type of calculations can scientific calculators do?
A: Scientific calculators can use exponents (or powers or indices) and trigonometry functions in addition to the basic operations like adding, subtracting etc..