Simple Calculator
A basic calculator for performing arithmetic operations: addition, subtraction, multiplication, and division.
Published by:
isCalculator Editorial Team
Reviewed by:
Review Board
Last Updated:
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How to use this tool?
How to Use the Simple Calculator
- Enter Numbers: Type the first number into the First Number field and the second number into the Second Number field. You can use decimal numbers (e.g., 3.14).
- Choose an Operation: Select from Addition (+), Subtraction (−), Multiplication (×), or Division (÷) using the dropdown menu.
- Calculate: Click the Calculate button to see the result.
- Read the Output: The result appears in green with the formula shown below it (e.g., “5 + 3 = 8”). If there’s an error (like missing input or division by zero), a red message will appear instead.
Tip: All inputs accept numbers only. No special formatting is needed—just type and click.
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Frequently Asked Questions
It supports addition, subtraction, multiplication, and division.
Yes, you can enter decimal numbers. The calculator handles floating-point arithmetic.
Division by zero is not allowed and will display an error message.
