1. What Are Decimal Numbers?

Decimal numbers are numbers that contain a decimal point, separating the integer part from the fractional part. They are used to represent numbers that are not whole, allowing for precise measurements and calculations in mathematics, science, engineering, and everyday life.

2. Basic Decimal Operations

This calculator supports four fundamental arithmetic operations:

Where Operation can be:

• Addition (+) - Combining two decimal values
• Subtraction (-) - Finding the difference between decimals
• Multiplication (×) - Calculating the product of decimals
• Division (÷) - Dividing one decimal by another

Note: When dividing, the calculator prevents division by zero errors.

3. How To Use This Calculator

Steps: Enter two decimal numbers, select the desired operation from the dropdown menu, and click "Calculate" to see the result.

4. Decimal Calculation Examples

Example 1: 3.25 + 1.75 = 5.00
Example 2: 5.50 - 2.25 = 3.25
Example 3: 2.50 × 3.00 = 7.50
Example 4: 10.00 ÷ 4.00 = 2.50

5. Frequently Asked Questions (FAQ)

Q1: How many decimal places does the calculator support?
A: The calculator supports up to 4 decimal places for both input and output.

Q2: What happens if I try to divide by zero?
A: The calculator will display an error message: "Error: Division by zero".

Q3: Can I use negative decimal numbers?
A: Yes, the calculator supports both positive and negative decimal values.

Q4: How precise are the calculations?
A: Calculations are performed with floating-point precision and results are rounded to 4 decimal places.

Q5: Can I use this calculator for financial calculations?
A: While it works for basic decimal arithmetic, financial calculations often require specific rounding rules that may not be implemented here.