Calculus — Apple-Style Calculator

A beautifully crafted Apple-inspired calculator with Liquid Glass aesthetics.

Calculus brings the elegance of Apple's iOS Calculator directly to your Chrome toolbar — redesigned with a stunning Liquid Glass aesthetic inspired by iOS 18. ────────────────────────────────────── ✦ BEAUTIFUL BY DESIGN ────────────────────────────────────── Every pixel is crafted with care. Calculus features a translucent frosted-glass interface with animated ambient color orbs, iridescent depth layers, and soft specular highlights — the same visual language Apple uses across its latest operating systems. It doesn't just work beautifully. It looks beautiful. ────────────────────────────────────── ⌨ FULL KEYBOARD SUPPORT ────────────────────────────────────── Never touch your mouse. Type numbers and operators directly from your keyboard: • 0–9 → Number input • + − * / → Arithmetic operators • Enter or = → Calculate result • Esc → Clear • Backspace → Delete last digit • % → Percentage ────────────────────────────────────── ∞ SMART EXPRESSION DISPLAY ────────────────────────────────────── See your full calculation expression displayed above the result in real time — just like the native iOS Calculator. No more guessing what you typed. ────────────────────────────────────── ⚡ INSTANT & LIGHTWEIGHT ────────────────────────────────────── Calculus opens in milliseconds directly from your toolbar. It requires zero permissions, makes no network requests, collects no data, and stores nothing. Pure HTML, CSS, and JavaScript — no frameworks, no bloat. ────────────────────────────────────── 🔢 COMPLETE CALCULATION SUPPORT ────────────────────────────────────── • Addition, subtraction, multiplication, division • Percentage calculations (context-aware: 15% of 200 = 30) • Positive/negative toggle (+/−) • Decimal point input • Chained operations with live operator highlighting • Division-by-zero error handling • Scientific notation for very large and very small numbers • Dynamic font scaling for long results ────────────────────────────────────── 🔒 PRIVACY FIRST ────────────────────────────────────── Calculus requests zero browser permissions. It does not access your tabs, browsing history, clipboard, or any personal data. What you calculate stays entirely on your device. ────────────────────────────────────── TECHNICAL DETAILS ────────────────────────────────────── • Manifest Version: 3 • Popup size: 320 × 520 px • Permissions: None • Compatible with Chrome 88+, Edge 88+, Brave, and Opera • No external scripts or CDN dependencies ────────────────────────────────────── Whether you need a quick tip calculation, a currency conversion, or just want a calculator that matches the quality of your workflow — Calculus is the one you've been waiting for. Add it to Chrome. It's free.