1. What Is Decimal Operation?

Decimal operations refer to mathematical calculations involving decimal numbers, including addition, subtraction, multiplication, and division. These operations are fundamental in various fields such as finance, engineering, and science.

2. How Does The Calculator Work?

The calculator performs basic arithmetic operations on decimal numbers:

Where:

• \( operand1 \) — First decimal number
• \( operator \) — Mathematical operation (+, -, *, /)
• \( operand2 \) — Second decimal number

Explanation: The calculator handles decimal precision up to 4 decimal places and prevents division by zero errors.

3. Importance Of Decimal Calculations

Details: Accurate decimal calculations are essential for precise measurements, financial transactions, scientific computations, and engineering designs where fractional values are critical.

4. Using The Calculator

Tips: Enter two decimal numbers, select the desired operation, and click calculate. Ensure valid inputs and avoid division by zero.

5. Frequently Asked Questions (FAQ)

Q1: What decimal precision does this calculator support?
A: The calculator supports up to 4 decimal places for both input and output values.

Q2: How does it handle division by zero?
A: The calculator detects division by zero attempts and returns an error message instead of performing the calculation.

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

Q4: What's the maximum number of digits supported?
A: The calculator uses standard PHP floating point precision, typically supporting up to 14-15 significant digits.

Q5: Are the calculations rounded?
A: Results are rounded to 4 decimal places for better readability while maintaining calculation accuracy.