Current Calculator


In the realm of web development, calculators play a crucial role in providing users with a convenient tool for performing various mathematical operations. In this article, we will delve into creating a functional calculator, adhering to the given specifications.

How to Use:

To use the calculator, simply input your mathematical expression into the provided text field. Click the “Calculate” button, and the result will be displayed instantly. The calculator supports basic arithmetic operations such as addition, subtraction, multiplication, and division.


The formula used for calculation is based on the JavaScript eval() function, which evaluates a string as a mathematical expression. This approach ensures accuracy and flexibility in handling different types of calculations.

Example Solve:

Let’s consider an example to illustrate the calculator’s functionality. Suppose you want to add 5 and 7. Input “5 + 7” into the text field and click “Calculate.” The result will be displayed as 12.


Q: Can the calculator handle complex mathematical expressions?

A: No, the calculator is designed for basic arithmetic operations.

Q: What happens if I input an invalid expression?

A: The calculator may not provide a valid result for expressions containing syntax errors. Ensure proper formatting.

Q: Is there a limit to the length of the mathematical expression?

A: While there is no strict limit, extremely long expressions may affect performance. Keep expressions concise.

Q: Can the calculator handle decimal numbers?

A: Yes, the calculator supports decimal numbers in mathematical expressions.


Creating a simple yet effective calculator using HTML and JavaScript allows developers to offer users a valuable tool for quick calculations. The provided code adheres to the specified requirements, providing an efficient and user-friendly solution for basic arithmetic operations.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *