1. What is the Negative Number Calculator?

This calculator performs the operation: Result = -num1 + num2. It's designed to handle both positive and negative numbers in the calculation.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• \( num1 \) — First input number (will be negated)
• \( num2 \) — Second input number (added as positive)

Explanation: The calculator first negates the first number, then adds the second number to it.

3. Importance of Negative Number Calculation

Details: Understanding operations with negative numbers is fundamental in mathematics and has applications in finance, physics, and engineering.

4. Using the Calculator

Tips: Enter any numerical values for num1 and num2 (positive or negative). The calculator will negate the first number and add the second number to it.

5. Frequently Asked Questions (FAQ)

Q1: What happens if both numbers are negative?
A: The calculator will negate the first negative number (making it positive) and then add the second negative number.

Q2: Can I use decimal numbers?
A: Yes, the calculator accepts and calculates with decimal numbers with up to 4 decimal places.

Q3: What's the order of operations here?
A: The negation is performed first (-num1), then the addition with num2.

Q4: Is there a limit to the number size?
A: The calculator can handle very large numbers within the limits of PHP's float type.

Q5: Can this be used for financial calculations?
A: Yes, this operation can be useful for calculating net changes in financial scenarios.