Fan Calculator


Calculators are indispensable tools for various mathematical computations. Whether you’re a student, professional, or just someone who needs to crunch numbers, having a reliable calculator at your disposal is essential. In this article, we’ll discuss how to create a simple yet efficient calculator.

How to Use

Using the calculator is straightforward. Input the values you want to calculate into the designated fields, select the desired operation, and click the “Calculate” button. The result will be displayed instantly.


The formula used for calculations depends on the operation selected:

  • Addition: result=num1+num2
  • Subtraction: result=num1−num2
  • Multiplication: result=numnum2

Example Solve

Let’s say we want to add two numbers, 5 and 3. Inputting these values and selecting the addition operation should yield a result of 8.


Q: Can I perform multiple operations in one calculation?
A: No, the calculator is designed to perform only one operation at a time.

Q: Can I input decimal numbers?
A: Yes, the calculator supports decimal numbers for more precise calculations.

Q: Is there a limit to the size of numbers I can input?
A: The calculator can handle a wide range of numbers, but excessively large or small numbers might result in unexpected behavior.


Creating a basic calculator using HTML and JavaScript is a simple yet effective way to perform calculations quickly. By following the provided guidelines, you can customize the calculator to suit your specific needs, making it a valuable tool for various mathematical tasks.

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