DD Calc - Calculator & Tools

DD Calc is a comprehensive, production-ready calculator suite designed for professionals, students, and anyone who needs powerful calculation capabilities. 🧮 Core Features: 📐 Scientific Calculator: • Full mathematical expression parsing with PEMDAS/BODMAS • Trigonometric functions (sin, cos, tan, and inverses) • Logarithmic functions (log₁₀, natural log) • Power and root operations (x², x³, xʸ, √x) • Mathematical constants (π, e, factorial) • Absolute value and modulus operations • Degree and radian mode support 💰 GST Calculator (Indian Tax Rates) • Inclusive & exclusive GST calculations • Supports all standard GST rates (5%, 12%, 18%, 28%) • Quick tax amount & total calculations • Precise decimal handling 📅 Date Calculator • Calculate differences between dates • Add or subtract days from dates • Business day calculations • Age calculator (in years, months, days) ⚡ Programmer Calculator • Binary, Octal, Decimal, Hexadecimal conversions • Bitwise operations • Perfect for developers and students 📏 Unit Converters (13+ Converters) • Length (mm, cm, m, km, inches, feet, yards, miles) • Weight (mg, g, kg, oz, lb, stone) • Temperature (Celsius, Fahrenheit, Kelvin) • Volume, Pressure, Speed, Energy, Power, Time, and more 🎨 Design & UX: • Material Design 3 interface • Dark mode support with automatic detection • Responsive layout (Portrait & Landscape) • Intuitive button layout • Copy-to-clipboard functionality • History tracking ⚙️ Performance: • Completely offline - no internet required • Fast calculations without lag • Optimized for all Android devices • Low resource consumption • No ads or subscriptions 🔒 Privacy & Security: • No data collection or tracking • No internet permissions required • Local storage only • No account or login needed Perfect for: • Students (math, physics, engineering) • Professionals (accounting, finance) • Developers (programmer tools) • Business owners (GST calculations) • Everyone who needs reliable calculations Download DD Calc today and experience the most comprehensive calculator suite on Android!