Calculator - Simple Calculator

Basic Arithmetic Operations:

Supports addition (+), subtraction (-), multiplication (*), and division (/)

First Number:

Operation:

Second Number:

Result (number):

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1. What is a Simple Calculator?

This calculator performs basic arithmetic operations including addition, subtraction, multiplication, and division. It provides quick and accurate results for simple mathematical calculations.

2. How Does the Calculator Work?

The calculator takes two numbers and performs the selected operation:

\[ \text{Result} = \text{Number1} \quad \text{Operator} \quad \text{Number2} \]

Where:

Operator can be +, -, *, or /
Numbers can be integers or decimals
Division by zero is not allowed

3. Supported Operations

Details: The calculator supports four basic arithmetic operations:

Addition (+): Sum of two numbers
Subtraction (-): Difference between two numbers
Multiplication (*): Product of two numbers
Division (/): Quotient of two numbers (divisor cannot be zero)

4. Using the Calculator

Steps:

Enter the first number
Select the operation
Enter the second number
Click "Calculate" to see the result

5. Frequently Asked Questions (FAQ)

Q1: Can I use decimal numbers?
A: Yes, the calculator supports both integers and decimal numbers.

Q2: What happens if I try to divide by zero?
A: The calculator will display an error message "Cannot divide by zero".

Q3: How many decimal places does the calculator show?
A: Results are rounded to 4 decimal places for clarity.

Q4: Can I use negative numbers?
A: Yes, the calculator works with negative numbers.

Q5: Is there a limit to how large the numbers can be?
A: Extremely large numbers may cause calculation errors due to PHP's floating-point precision limits.