Scientific Calculator Pro

Scientific Calculator Pro is a fast, accurate, and beautifully designed calculator for everyday math, school, engineering basics, and quick scientific calculations. Built with a clean calculator-style layout, precise math logic, and modern Android technology. 🔢 Core Calculator - Basic operations: +, −, ×, ÷ - Parentheses, percentage, ±, backspace, AC / C - Ans key for reusing the previous result 📐 Scientific Functions - Trigonometry: sin, cos, tan + inverse functions via SHIFT - Logarithms: ln, log - Powers and roots: √x, x², xʸ - Scientific notation (Exp) - Mathematical constants: π, e 🎛 Modes & Precision - DEG / RAD angle modes - Number formatting: NORM / SCI / ENG - Decimal precision control (DEC 0–12) - Visible SHIFT indicator for alternate functions ➗ Fraction Calculator - Enter fractions as a/b - Automatic fraction simplification - Mixed fraction display - Instantly toggle fraction ↔ decimal 💾 Memory & History - Memory keys: MC, MR, M+, M− - Calculation history with saved expressions and results - View, reuse, or clear history anytime - All settings and history stored locally using DataStore 🎨 Design & Experience - Calculator-style keypad inspired by real scientific calculators - Haptic feedback on key press Two themes available: Classic Purple 🧩 Home Screen Widget - Lightweight mini calculator widget - Perform basic calculations directly from your home screen - Tap to open the full calculator instantly 🔒 Offline & Private - Works 100% offline - No accounts, no tracking - Your data stays on your device Scientific Calculator Pro focuses on speed, clarity, and correctness, making it perfect for students, professionals, and anyone who wants a powerful calculator without clutter. More advanced features are coming in future updates 🚀