1. What is the Sum Calculator?

The Sum Calculator performs basic addition of two numbers. It provides a quick and accurate way to calculate the total of two values.

2. How Does the Calculator Work?

The calculator uses the simple addition formula:

Where:

• \( input1 \) — First value to add
• \( input2 \) — Second value to add
• \( result \) — Sum of the two values

Explanation: The equation simply adds the two input values together to produce their sum.

3. Importance of Sum Calculation

Details: Addition is fundamental to mathematics and daily life, used in everything from financial calculations to scientific measurements.

4. Using the Calculator

Tips: Enter any two numbers in the input fields. The calculator supports both whole numbers and decimals.

5. Frequently Asked Questions (FAQ)

Q1: What number formats are supported?
A: The calculator supports both integer and decimal values.

Q2: Is there a limit to the numbers I can add?
A: The calculator is limited by standard floating-point precision in PHP.

Q3: How many decimal places are shown?
A: Results are rounded to 2 decimal places for clarity.

Q4: Can I add more than two numbers?
A: This version only supports adding two numbers at a time.

Q5: What if I enter non-numeric values?
A: The calculator will only accept valid numeric inputs.