Offline smart calculator

Smart Calculator is your all-in-one, privacy-focused mathematical assistant designed for everyday calculations, financial planning, scientific problem-solving, and unit conversions.

Engineered with an offline-first architecture and a sleek, modern interface, Smart Calculator delivers fast, precise, and reliable results without tracking your personal data or requiring unnecessary background connections.

KEY FEATURES:

🔢 Basic & Scientific Calculator
• Perform standard arithmetic, percentages, and memory operations (M+, M-, MR, MC).
• Access advanced trigonometric functions, logarithms, exponents, factorials, and roots.
• Easily switch between Degrees (DEG) and Radians (RAD) angle modes.
• Instant calculation history with fast copy and favorite options.

📐 Unit & Currency Converter
• Convert length, weight, area, volume, temperature, speed, and time.
• Convert global currencies with live exchange rates and automatic offline rate caching.

📊 Financial & Everyday Calculators
• Loan & Mortgage EMI Calculator: Estimate monthly payments and total interest with visual chart breakdowns.
• Discount Calculator: Find original prices, discount percentages, and total savings.
• GST / VAT Calculator: Instantly calculate gross, net, and tax amounts.
• Tip & Split Calculator: Split restaurant bills effortlessly between friends with customized tip percentages.

💚 Health & Life Utilities
• BMI Calculator: Compute Body Mass Index with healthy range insights.
• Age Calculator: Calculate exact age in years, months, days, total hours, and count down to your next birthday.

📈 Advanced Math Tools
• Graph Calculator: Plot mathematical functions y = f(x) on an interactive chart.
• Voice Calculator: Evaluate expressions by speaking directly to your device.
• OCR Expression Scanner: Scan printed math expressions using on-device text recognition.

🔒 PRIVACY & SECURITY FIRST:
• 100% Offline-First Architecture: All calculations, history logs, and settings remain on your local device.
• Zero Personal Data Collection: We do not track, collect, or transmit your private user data.
• Transparent Permissions: Camera and microphone access are requested strictly on-demand for OCR and Voice features.

🎨 CUSTOMIZABLE INTERFACE:
• Light Mode, Dark Mode, and AMOLED Pure Black Dark Theme.
• Adjustable decimal precision and thousands separators.
• Haptic feedback and sound preferences.

Download Smart Calculator today for a fast, elegant, and secure calculation experience!