Calculator

BlueAppsBox

About this app

⚡ Blue Calculator — Powerful and Private

Experience a clean, modern calculator designed for speed, accuracy, and privacy. Whether you need quick everyday math or advanced scientific functions, Blue Calculator handles it all — with zero distractions and zero data collection.


✅ COMPLETELY AD-FREE
No banner ads. No pop-ups. No video ads. No interruptions. Ever.


🔒 100% PRIVATE & OFFLINE
• No sign-up or login required
• No personal data collected (no name, email, phone, location, contacts, or files)
• No internet connection needed
• No third-party trackers or analytics
• Works entirely on your device — your calculations stay yours

🧮 DUAL MODE CALCULATOR
Standard Mode:
• Basic arithmetic: Addition, Subtraction, Multiplication, Division
• Percentage calculations
• Positive/negative toggle (+/-)
• Backspace (⌫) and Clear (AC)
• Real-time live result preview as you type

Scientific Mode:
• sin, cos, tan
• log, ln
• Square root (√)
• Power/exponent (x²)
• Pi (π)
• Toggle easily from the menu

🎨 MODERN DARK THEME
Sleek black interface with vibrant blue accents. Easy on the eyes, day or night.

⌨️ KEYBOARD SUPPORT
Use your physical keyboard for faster input — numbers, operators, Enter to calculate, Backspace to delete, and Escape to clear.

🛡️ ZERO PERMISSIONS
We don't ask for camera, contacts, microphone, storage, or location access. Because we don't need them.

📋 BUILT-IN PRIVACY POLICY & TERMS
Full transparency. Read our privacy policy and terms directly inside the app.

Perfect for students, professionals, and everyday users who want a reliable calculator without compromising their privacy.

🔵 Powered by Blue Apps
Contact: [e-mail]

What’s new

Running ads
First release of Calculator. Features include Standard & Scientific Mode, Live Result Preview, Complete Privacy, Side Menu Access, and Zero Permissions.