Calculator App

Introduction

This is a simple calculator web application designed to perform basic mathematical calculations. The calculator has a user-friendly interface and supports common arithmetic operations.

Features

1. Basic Arithmetic Operations:

   • Addition (+)
   • Subtraction (-)
   • Multiplication (*)
   • Division (/)

2. Percentage Calculation:

   • The % button allows you to calculate percentages.

3. Clear Functionality:

   • The Clr button clears the input field, allowing you to start a new calculation.

4. Delete Functionality:

   • The Del button deletes the character at the cursor position.

5. Decimal Point:

   • The . button allows you to input decimal points for more precise calculations.

6. Error Handling:

   • The application provides a simple error alert if an invalid input is detected during the calculation.

7. Factorial Calculation:

   • Press the F key or use the factorial button to calculate the factorial of the number at the cursor position.

8. Prime Calculation:

   • Possible to check prime or not upto 17 Digits.

9. Remainder Calculation:

   • Possible to calculate mod for any 2 numbers,also available for negative numbers.

How to Use

1. Input:

   • Click the number buttons to input digits.
   • Click the arithmetic operation buttons (+, -, *, /) to input operators.
   • Use the % button for percentage calculations.
   • Press the F key or use the factorial button to calculate the factorial.

2. Clear and Delete:

   • Use the Clr button or Click ctrl + backspace to clear the entire input.
   • Use the Del button or Click backspace to delete the character at the cursor position.

3. Calculate:

   • Click the = button or Press Enter key to perform the calculation.
   • The result will be displayed in the input field.

Example

Suppose you want to calculate 25 + 5 * 3. Here's how you can do it:

• Input: 25 + 5 * 3
• Click = to get the result.

The result will be displayed in the input field.

License

This calculator app is open-source and free to use. Feel free to modify and enhance it according to your needs.

Screenshots

For Usage:

https://srikanth-web-calculator.on.drv.tw/app/