Scientific Calculator - Floating Widget

Floating scientific calculator with history, dark/light mode, keyboard shortcuts & advanced math. Works on any webpage instantly.

Scientific Calculator — Floating Widget for Chrome Stop switching tabs to do math. This extension adds a beautiful floating scientific calculator that opens instantly over any webpage with a single click — no new tab, no separate app, no losing your place on the page you're reading. Why people install it Chrome's built-in calculator is buried and basic. Switching to a phone or desktop app breaks your flow. This calculator lives right in your browser, appears exactly where you need it, and disappears just as fast when you're done. Full scientific calculator Trigonometric functions: sin, cos, tan, asin, acos, atan Hyperbolic functions: sinh, cosh, tanh Powers & roots: x², x³, xʸ, √x, ∛x Logarithms: log (base 10), ln (natural log) Constants: π and e Factorials, absolute value, combinations (nCr), permutations (nPr) Modulus, scientific notation (EXP), percentage Full parentheses support for nested expressions Keyboard shortcuts Enter or = to evaluate Backspace to delete, Escape to clear Ctrl+H for calculation history Ctrl+C to copy your result Dark and light themes A glassmorphism dark mode and a clean bright light mode, with smooth animations and ripple effects on every keypress. Draggable and resizable Move it anywhere on screen and resize from any edge or corner. It remembers its position and size for next time. Privacy first — 100% offline No internet connection required. No data collection, no tracking, no analytics. Every calculation happens locally in your browser and never leaves your device.