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 🚀