CalcMind – Calculator & Unit Converter

Calculator with scientific functions, AI assistance, percentage tools, unit converter, specialty calculators, and notes.

CalcMind – Calculator & Unit Converter A comprehensive calculator extension designed for students, professionals, and anyone who needs quick mathematical calculations while browsing. CalcMind combines multiple calculation tools in one convenient interface, helping you solve everyday math problems without leaving your current tab. 🧮 What You Can Do Standard & Scientific Calculator Perform basic arithmetic operations or advanced scientific calculations including trigonometric functions (sin, cos, tan), logarithms, exponentials, factorials, and power operations. The calculator features a clean, easy-to-read display that adapts to your calculation complexity. ✨ AI Math Assistant Type math questions in plain language and get instant answers. Examples include "20% of 350", "tip 15% on $80", "area of circle with radius 6", or "convert 100km to miles". This feature is designed to help students learn by showing step-by-step explanations alongside answers. 📊 Percentage Calculator Three dedicated percentage tools help you calculate: • Find X% of any number • Calculate percentage change between two values • Determine what percentage one number is of another Perfect for calculating discounts, tax amounts, grade percentages, or financial comparisons. 🔄 Unit Converter Convert between different units across multiple categories: • Length (meters, feet, inches, kilometers, miles) • Weight (grams, kilograms, pounds, ounces) • Temperature (Celsius, Fahrenheit, Kelvin) • Volume (liters, gallons, milliliters, cups) • Time (seconds, minutes, hours, days) • Digital storage (bytes, KB, MB, GB, TB) • Speed, area, and more 🎯 Specialty Calculators Access additional calculators for specific needs: • Age calculator • Date calculator • Loan/mortgage calculator • Discount calculator • Tip calculator • BMI calculator • And more 📝 Notes with Math Take notes directly in the calculator. Any expression written with an equals sign (like "Budget = 5000 - 1500 - 400") automatically evaluates, making it perfect for quick budgeting or financial planning notes. 🕐 Calculation History Every calculation is automatically saved in your history, allowing you to review previous work or copy past results. Your history stays private on your device and never gets uploaded anywhere. ⚡ Key Features Works Offline All calculations happen locally on your device. No internet connection required once installed. This ensures your calculations remain private and the tool works even when offline. 🪟 Float Mode Detach the calculator from the extension popup and let it float on any webpage. This allows you to reference information on the page while performing calculations, useful for expense tracking, price comparisons, or form filling. 🌓 Dark & Light Themes Choose between dark and light color schemes to match your preference or reduce eye strain during extended use. 💾 Memory Functions Store values in memory (M+, M-, MR, MC) for complex calculations that require referencing the same number multiple times. ⌨️ Keyboard Support Use your keyboard for faster input. All number keys, operators, and common shortcuts work as expected, making calculations quicker for frequent users. 🔒 Privacy Focused All your data (calculations, notes, history, preferences) stays on your device. Nothing is transmitted to external servers. No analytics, no tracking, no data collection. 📚 Educational Use CalcMind is suitable for educational purposes, helping students from middle school through university with: • Learning mathematical concepts through the AI assistant's explanations • Practicing calculations and checking homework answers • Understanding percentage calculations for real-world applications • Converting units for science and engineering problems • Organizing mathematical notes for study sessions Teachers may find it useful for demonstrating calculations during online lessons or verifying student work. 👥 Who Is This For? Students: Quick calculations for homework, exam prep, or project work Professionals: Financial calculations, unit conversions, quick estimates Shoppers: Calculate discounts, compare prices, convert measurements Developers: Binary/hex conversions, quick math during coding Researchers: Unit conversions, statistical calculations, note-taking Anyone: Daily math needs without opening a separate app 🛡️ Privacy & Data Your privacy matters. This extension: • Stores all data locally on your device using browser storage • Does not collect, transmit, or share any personal information • Does not use analytics or tracking scripts • Does not require account creation or login • Works completely offline after installation 📖 How to Use 1. Click the CalcMind icon in your browser toolbar to open the calculator 2. Choose the tool you need from the tabs at the top 3. Perform your calculation or conversion 4. Optionally, use Float Mode to keep the calculator visible on the page 5. Access your history anytime from the History tab No setup required, no configuration needed – just install and start calculating. 💬 Support & Feedback We continuously improve CalcMind based on user feedback. If you encounter issues or have suggestions for new features, please use the feedback option in the Chrome Web Store. Common requests include additional specialty calculators, new unit categories, and enhanced AI capabilities. ⚙️ Technical Details • Lightweight extension with minimal resource usage • Fast, responsive interface • Compatible with all Chromium-based browsers • Regular updates for bug fixes and improvements • No external dependencies or third-party services CalcMind aims to be a practical, reliable calculation tool that respects your privacy while providing the mathematical functionality you need for everyday tasks, whether for education, work, or personal use.