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What is a Discount Calculator?
A discount calculator calculates final discounted price and savings from original price and discount rate. Supports both forward (discount calculation) and reverse (original price calculation from discounted price) modes, with quick comparison across various discount rates.
How to Use
Forward: Step 1: Enter original price. Step 2: Enter discount rate (%). Step 3: Click Calculate to see discounted price and savings. Reverse: Step 1: Select 'Original Price Reverse' tab. Step 2: Enter discounted price and discount rate. Step 3: Original price is automatically calculated.
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คำถามที่พบบ่อย (FAQ)
- ถาม. When is reverse calculation used?
- ตอบ. Useful when you see a discounted price and want to know the original price. Example: 'It's 30% off and costs 70,000 KRW, but what was the original price?'
- ถาม. How are stackable discounts calculated?
- ตอบ. Stackable discounts apply sequentially. Example: 100,000 KRW item with 20% off + additional 10% off = 100,000 × 0.8 = 80,000 → 80,000 × 0.9 = 72,000 KRW (final price). Not simple addition (20% + 10% = 30%).