Calculator – Smart, Fast & Scientific

A fast, offline, privacy-first scientific calculator with memory functions, history and dark/light themes.

Calculator – Smart, Fast & Scientific is a clean, modern calculator that lives right in your toolbar — no tabs to open, no websites to visit, no waiting. FEATURES - Full scientific calculator — square root (√), square (x²), power (xʸ), pi (π), percentage (%), and parentheses, always available alongside standard operators - Memory functions — MC, MR, M+, M− with a visible indicator when a value is stored - Calculation history — every result is saved with a timestamp, searchable, with one-click copy and per-entry delete - Full keyboard support — type numbers and operators, press Enter for "=", Backspace to correct, Escape to clear - Dark and light themes — pick the look that matches your browser - Works completely offline — calculations run entirely on your device - Private by design — no accounts, no tracking, no ads WHY INSTALL IT Switching tabs to open a calculator app breaks your flow. This extension puts a fast, accurate, full-featured calculator one click away from any page you're on — perfect for quick math while working, shopping, budgeting, or studying. No ads. No sign-up. No data collection. Just a calculator that works instantly, every time.