Instant Calculator

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🧮 15 Specialized Calculators

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💰 Finance & Daily Life

• Discount Calculator — Instantly calculate sale prices and savings

• Loan Calculator — Monthly payment, total interest, full amortization

• Savings Calculator — Final balance and after-tax interest

• Currency Converter — Real-time rates for 14 currencies

🍽️ Dining & Splitting

• Tip Calculator — Split bills with custom tip percentages

• Dutch Pay — Divide any bill evenly among any number of people

🏃 Health

• BMI Calculator — Body mass index with health grade (ft/lb or cm/kg)

• Age Calculator — Exact age in years, months, days + birthday countdown

📐 Unit Conversion

• Length, Weight & Temperature converter (imperial ↔ metric)

• Fuel Efficiency — MPG and km/L

• Unit Price Comparison — Find the better deal instantly

• Date Calculator — Days between dates, D-day countdown

• Math & Engineering — Expression evaluator, trig, fraction→decimal

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✨ Key Features

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🌍 4 Languages — Korean · English · Japanese · Chinese

🌙 Dark Mode / Light Mode toggle

⭐ Favorites — Pin your most-used calculators to the top

📋 History — Review any past calculation anytime

🔤 Large Text Mode — Bigger display for comfortable reading

💱 Live Exchange Rates — Auto-updated via KEB Hana Bank

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No sign-up. No clutter. Open the app and start calculating.