Universal Calculator is your all-in-one calculation suite, combining a powerful scientific calculator, comprehensive unit converter, live currency exchange rates, programmer tools, and everyday financial utilities into a single, beautifully designed app.

Built entirely offline-first with modern Material Design 3, Universal Calculator delivers instant, high-precision results for students, engineers, developers, shoppers, and finance professionals.

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KEY FEATURES & TOOLS
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STANDARD & SCIENTIFIC CALCULATOR
• Basic operations: addition, subtraction, multiplication, division, and percentages
• Advanced scientific functions: trigonometry (sin, cos, tan), inverse functions, hyperbolic functions, and factorials
• Degree and Radian angle modes with instant switching
• Configurable decimal precision (2 to 8 decimals)
• Memory functions (M+, M-, MR, MC) and persistent expression display
• Real-time error handling with helpful syntax indicators

COMPREHENSIVE UNIT CONVERTER
Convert across dozens of unit categories with instant multi-unit output:
• Length & Distance (meters, kilometers, miles, feet, inches, yards, etc.)
• Weight & Mass (kilograms, grams, pounds, ounces, stones, tons)
• Volume & Capacity (liters, milliliters, gallons, pints, cups, fluid ounces)
• Temperature (Celsius, Fahrenheit, Kelvin)
• Area & Surface (square meters, square feet, acres, hectares)
• Speed & Velocity (km/h, mph, m/s, knots)
• Digital Data (bytes, KB, MB, GB, TB, PB)
• Time & Duration (seconds, minutes, hours, days, weeks, years)

LIVE CURRENCY CONVERTER
• Real-time exchange rates for over 160 global currencies (USD, EUR, GBP, INR, JPY, CAD, AUD, etc.)
• Automatic offline caching: convert currencies even when you don't have an active internet connection
• Instant inverse rate conversion and quick currency search

PROGRAMMER CALCULATOR
• Instant number base conversion: Binary (BIN), Octal (OCT), Decimal (DEC), and Hexadecimal (HEX)
• Bitwise operations: AND, OR, XOR, NOT, left shift (<<), right shift (>>)
• Fast bit manipulation with full integer representation

FINANCIAL & SHOPPING UTILITIES
• EMI & Loan Calculator: Calculate monthly installments, total interest payable, and loan amortization
• GST / VAT / Sales Tax Calculator: Quickly add or subtract tax percentages
• Discount & Sale Calculator: Determine original price, discount amount, and final savings in seconds
• Tip & Split Bill Calculator: Calculate tips and divide meals easily among friends

DATE & TIME TOOLS
• Age Calculator: Find exact age in years, months, and days, plus days until your next birthday
• Date Difference: Compute total calendar days, working days, and weeks between any two dates

️ SPECIALIZED UTILITY CALCULATORS
• Fuel Cost & Trip Calculator: Estimate fuel consumption and travel expenses
• BMI & Health Calculator: Determine Body Mass Index and healthy weight ranges
• Construction & Area Estimates: Calculate paint, flooring, and concrete volume needs
• Physics & Electronics Formulas: Quick calculations for Ohm's Law, power, resistance, and velocity

CALCULATION HISTORY
• Automatically saves past calculations in a fast, local SQLite database
• Tap any past calculation to restore it back into the keypad
• One-tap "Clear History" whenever you want a clean slate

MODERN & CUSTOMIZABLE DESIGN
• Clean, distraction-free interface built with Material Design 3
• Dynamic Theme Support: Dark Mode, Light Mode, and System Default
• Subtle, customizable haptic feedback on keypad presses
• Fluid animations and adaptive layout for phones and tablets

PRIVACY-FIRST & SECURE
Universal Calculator processes all your calculations strictly on your device. We do not require account logins, and we never collect or share personal information.

Download Universal Calculator today and simplify all your daily math, conversions, and financial calculations!