Calculator- Simple Calculator.

Royal Tools

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About this app

📱 Calculator – All-in-One Smart Calculator App

Solve any calculation with one powerful app. The All-in-One Calculator includes all essential tools like Scientific Calculator, Currency Converter, GST Calculator, Loan Calculator, SIP Calculator, Salary Calculator, BMI Calculator, Age Calculator, Discount Calculator, Unit Converter, Percentage Calculator, Tip Calculator and a powerful AI Calculator for step-by-step solutions.

Perfect for students, professionals, business owners, and anyone who deals with numbers daily.

⭐ Main Features
🔢 Scientific Calculator

Handle complex math operations—trigonometry, logarithms, powers, roots, factorials, constants & more.

🌍 Currency Converter

Get real-time exchange rates for global currencies, making international transactions and travel effortless.

💰 GST Calculator

Find GST-inclusive and GST-exclusive prices with tax breakdown.Quickly add or remove Goods and Services Tax (or Value Added Tax) to any amount, perfect for business and shopping.

🏦 Loan Calculator

Calculate EMI, interest amount, total payable, and loan schedules.

💼 Salary Calculator

Estimate in-hand salary, deductions, PF, tax, and yearly income.

💸 Savings Calculator

Plan savings goals with interest growth & maturity value.

📊 SIP Calculator

Calculate SIP returns with accurate compounding results.

🧮 Percentage Calculator

Quick solve: percentage change, increase, decrease, and ratios.

🏷️ Discount Calculator

Find final price, savings & multiple discount layers instantly.

📐 Unit & Area Converter

Convert units of length, area, temperature, mass, speed, volume & more.

⚖️ BMI Calculator

Check your Body Mass Index and health category.

🎂 Age Calculator

Know exact age in years, months, days & next birthday.

🧾 Tip Calculator

Calculate tips & split bills effortlessly.

🤖 AI Calculator

Ask AI any math question. Get step-by-step explanations and instant solutions.

✨ Why Choose This Calculator?

✔ Clean & modern design
✔ Fast & accurate calculations
✔ Works offline (except currency updates)
✔ Light & Dark Mode
✔ One app for all calculations

🌟 Make Your Daily Calculations Smarter

From simple math to advanced financial and scientific calculations—this app gives you everything in one place.