1. What is Decimal Addition?

Decimal addition is the process of adding two numbers that contain decimal points. The key is to align the decimal points before adding the numbers digit by digit from right to left.

2. How Does the Calculator Work?

The calculator performs simple decimal addition:

Where:

• \( a \) — First decimal number
• \( b \) — Second decimal number
• \( sum \) — Result of the addition

Explanation: The calculator automatically handles decimal point alignment and performs accurate addition of decimal numbers.

3. Importance of Decimal Addition

Details: Decimal addition is fundamental in financial calculations, scientific measurements, and everyday math where precision is required.

4. Using the Calculator

Tips: Enter any two decimal numbers (positive or negative). The calculator will display the sum with proper decimal alignment.

5. Frequently Asked Questions (FAQ)

Q1: How many decimal places can I use?
A: The calculator supports up to 4 decimal places by default, but can handle more if needed.

Q2: Does it work with negative numbers?
A: Yes, the calculator handles both positive and negative decimal numbers.

Q3: What if I enter whole numbers?
A: The calculator treats whole numbers as decimals with .0 (e.g., 5 becomes 5.0).

Q4: How is rounding handled?
A: The calculator performs exact arithmetic without rounding unless the result exceeds display precision.

Q5: Can I add more than two numbers?
A: This calculator adds two numbers at a time. For multiple numbers, perform additions sequentially.