Calculator+ Standard Calculator

Open Calculator+ standard calculator from the Chrome toolbar on any site.

A powerful scientific calculator for advanced math, logarithms, trigonometry, and business tax calculations. Calculator+ is a lightweight and fast browser tool designed for students, engineers, developers, and professionals who need rapid, reliable calculations. Easily perform advanced scientific operations and VAT/TAX computations right inside your Chrome browser — no external tools required. Whether you’re solving complex equations, analyzing datasets, or calculating gross and net invoice totals, Calculator+ makes working with numbers simple, accurate, and convenient. ⚙️ Key Features: 🧮 Scientific & Tax Math — Supports trigonometry, logs, exponents, and dedicated TAX+/TAX- operations. ⚡ Dual-Line Display — Real-time tracking showing both your active calculation string and large final totals. 🖥️ Offline Support — Works 100% offline, running entirely inside your browser with no network calls. 🎨 Clean, Minimal Interface — Modern, high-contrast light design built for quick, distraction-free use. 🔐 Privacy First — No special browser permissions required, no analytics, and no data tracking. 👨‍💻 Perfect For: ⚙️ Students tackling advanced math, physics, or engineering homework ⚙️ Freelancers and business owners computing localized VAT or sales tax ⚙️ Software developers and engineers requiring fast, accessible utility tools ⚙️ Accountants and financial professionals managing daily expenses ⚙️ Anyone looking for a premium, lightweight replacement for the native OS calculator 🧰 How to Use ⚙️ Click the Calculator+ icon in your Chrome toolbar. ⚙️ Select your desired operation or input your numeric equation using the clean keypad interface. ⚙️ For tax calculations, adjust the top slider to your target rate (e.g., 20%) and click TAX+ or TAX-. ⚙️ Instantly view your results clearly displayed on the main screen. 💡 Tip: Click the "Created by Calculator+" link at the bottom anytime to access our full, comprehensive suite of advanced web tools online.