Calculator
Related Words
Definition of Calculator
Calculator is a device that performs mathematical operations easily.
More About Calculator
 Scientific calculators are used to solve complex calculations.
 Advanced calculators can display graphs.
Example of Calculator
Video Examples: Using a Calculator and Significant figures GCSE Maths revision
Examples of Calculator
Ques: Find the sum of 126 and 248.
Choices:

A. 347
B. 374
C. 247
D. 357
Correct Answer: B
Solution:

Step 1: To display 126, press 1, 2, and 6 button of the calculator.
Step 2: Then press ‘+’.
Step 3: To display 248, press 2, 4, and 8 button of the calculator.
Step 4: Finally click on the “=” button and it will display the answer as 374.
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