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Smart Shopping: Understanding the Discount Calculator

The Discount Calculator is an essential tool for savvy shoppers and retailers alike. It quickly helps you determine the final price of an item after a percentage-based discount has been applied, and also shows you exactly how much money you're saving.

💸 How to Use the Discount Calculator

Calculating a discount is simple:

1. Enter Original Price: Input the full, initial price of the item before any discounts.
2. Enter Discount Percentage: Input the percentage off you're receiving (e.g., for a 15% discount, enter 15).
3. Calculate: Click the "Calculate Discount" button.

The calculator will display the "Amount Saved" and the "Final Price" you'll pay after the discount.

🔢 The Calculation Logic

The calculator uses two simple formulas:

1. Amount Saved:
   Amount Saved = Original Price × (Discount Percentage / 100)
   Example: For an item priced at $80 with a 25% discount: $80 × (25 / 100) = $80 × 0.25 = $20 saved.
2. Final Price:
   Final Price = Original Price - Amount Saved
   Example: $80 (Original Price) - $20 (Amount Saved) = $60 final price.

💡 Frequently Asked Questions (FAQ)

How do I calculate a discount in my head?

A useful trick is to find 10% first. For a $150 item, 10% is $15. If the discount is 30%, just multiply that by 3 ($15 × 3 = $45 saved). If it's 5%, take half of the 10% value ($15 / 2 = $7.50 saved).

Is the discount applied before or after sales tax?

Almost always, the discount is applied to the original price first. Then, sales tax is calculated on the new, lower discounted price.