Calculator Pro

Simple Calculator -

Simple Calculator is a lightweight and easy-to-use calculator app designed for everyday calculations as well as advanced mathematical needs. It is ideal for students, shopkeepers, engineers, and anyone who needs quick, accurate, and reliable results.

The app focuses on simplicity, performance, and privacy. No unnecessary distractions—just a clean, fast, and smooth calculator experience.

🔢 Key Features

🧮 Basic Calculator
• Perform essential arithmetic operations: Addition, Subtraction, Multiplication, and Division
• Clean and intuitive interface for quick calculations

📐 Scientific Mode
• Advanced functions including trigonometry, logarithms, powers, and square roots
• Built-in constants such as π and e
• ANS recall and DEG/RAD angle mode support

📊 Graphing Calculator
• Plot up to three equations simultaneously
• Smooth zoom and pan for clear graph visualization

⚙️ Engineering Tools
• Unit conversion across multiple categories
• Built-in formula solver
• Support for 2×2 matrix calculations

💰 GST / Tax Calculator
• Quickly add or remove GST
• Automatic CGST, SGST, and IGST calculation breakdown

🧾 History Management
• View previous calculations
• Delete individual history entries whenever needed

⚡ Performance
• Fast and responsive calculations
• Smooth animations and optimized graph rendering
• Lightweight design that runs efficiently on all devices

🔒 Privacy Friendly
Your privacy is fully respected.
• No personal data collection
• No tracking or analytics
• No advertisements
• No internet connection required

📶 Works Completely Offline
Simple Calculator works entirely offline. All calculations are performed locally on your device, and no data is sent anywhere.

🔐 Minimal Permissions
The app only requires basic permissions necessary for normal functionality.
It does not request access to internet, location, camera, contacts, or personal files.

👶 Safe for All Ages
Simple Calculator is suitable for everyone, including children. Since the app does not collect personal information, it fully respects user privacy.

🛡️ Secure & Reliable
Built with secure coding practices to provide a safe, stable, and dependable calculator experience.

Simple Calculator delivers a fast, reliable, and privacy-focused solution for both everyday and advanced calculations.