A free online calculator for basic math operations - addition, subtraction, multiplication, and division. Works on all devices instantly.
Welcome to our completely free online calculator - a versatile, responsive tool designed for everyday mathematical calculations. This web-based calculator requires no downloads, no installations, and no registration - simply open it in your browser and start calculating instantly.
M+: Add current display value to memoryM-: Subtract current value from memoryMC: Clear memory storageMR: Recall stored value from memoryAC: All Clear - resets the entire calculation←: Backspace - remove last entered digit.: Decimal point for precise calculations%: Percentage calculations| Feature | Details |
|---|---|
| Platform | 100% Web-based (HTML5, CSS3, JavaScript) |
| Compatibility | All modern browsers (Chrome, Firefox, Safari, Edge) |
| Device Support | Mobile phones, tablets, laptops, desktops |
| Responsive Design | Auto-adjusts to any screen size (320px to 4K) |
| Data Privacy | No data collection, calculations stay in your browser |
| Accessibility | Keyboard support, clear visual indicators |
Homework help, quick math checks, exam preparation
Business calculations, expense tracking, quick estimates
Budget planning, shopping calculations, recipe adjustments
Quick totals, percentage calculations, basic financial math
Unlike traditional calculators or mobile apps that require downloads, our web-based calculator loads instantly in your browser. There's nothing to install - just bookmark the page and it's always available when you need it.
We believe in complete privacy. All calculations happen locally in your browser. We don't collect any data, track your calculations, or require personal information. Your math stays private and secure.
Access your calculator from any device with internet connection. Whether you're on your phone during commute, tablet at a coffee shop, or computer at work - your calculator is always just a click away.
We continuously improve our calculator based on user feedback. Expect regular updates with new features, improved performance, and enhanced user experience.
Work faster with these keyboard shortcuts:
Yes, completely free! There are no hidden charges, subscription fees, or premium versions. All features are available to everyone at no cost.
No account required! Our calculator works immediately without any registration. Just open and start calculating.
Once loaded in your browser, basic functions work offline. Some advanced features may require internet connection for optimal performance.
Absolutely! Our calculator is fully responsive and optimized for touch screens. It works perfectly on iOS, Android, and any mobile device.
We use precise JavaScript arithmetic for accurate results. The calculator handles decimal places correctly and follows standard mathematical order of operations.
Whether you're a student solving equations, a professional calculating expenses, or just need quick math help - our free online calculator is ready to assist. No downloads, no sign-ups, just instant calculations.
✅ 100% Free - No hidden costs
✅ Privacy Protected - No data collection
✅ Works Everywhere - All devices, all browsers
✅ Feature-Rich - Memory functions, history, themes
✅ Always Available - Bookmark once, use forever