Perform calculations with our free online calculator. Includes basic operations, percentages, square roots, and memory functions for students, professionals, and everyday use.
A calculator is a device that performs arithmetic operations on numbers. The simplest calculators can do only addition, subtraction, multiplication, and division.
Modern calculators are more sophisticated, capable of performing complex mathematical functions, storing results in memory, and even graphing equations.
Our online calculator provides both basic arithmetic operations and additional functions to help with everyday calculations, whether for work, school, or personal use.
Pro Tip: You can chain operations without pressing equals after each calculation. The calculator follows standard order of operations.
Perfect for math homework, classroom calculations, science projects, and learning arithmetic operations. Great for checking work and understanding mathematical concepts.
Essential for business calculations, financial analysis, budgeting, expense tracking, and quick arithmetic during meetings or while working on spreadsheets.
Useful for quick calculations, percentage calculations, tax computations, interest calculations, and verifying financial figures without switching between applications.
Calculate discounts, sales tax, tip percentages, split bills, compare prices, and manage household budgets while shopping or planning expenses.
Quick calculations for measurements, conversions, technical specifications, and on-the-spot arithmetic needed in technical fields and engineering work.
Anyone who needs quick calculations for cooking measurements, DIY projects, travel planning, fitness tracking, or general everyday arithmetic.
Simply click the number buttons (0-9) to enter numbers, then click an operator (+, -, ×, ÷) and another number. Press = to see the result. You can also use your keyboard for faster input.
'C' (Clear) clears everything - all numbers and operations. 'CE' (Clear Entry) clears only the current number you're entering, keeping previous operations intact.
Yes, the calculator follows standard mathematical order of operations (PEMDAS/BODMAS). Multiplication and division are performed before addition and subtraction.
Yes! You can use number keys (0-9), operators (+, -, *, /), Enter (=), Escape (C for clear), Backspace (for backspace), and period (.) for decimal point.
Currently, the calculator has a calculation history feature (click "Show History" to view previous calculations) but no traditional memory store/recall functions.
Yes! Our online calculator is completely free with no registration required. You can use it as much as you need for personal, educational, or professional purposes.
Yes, the calculator is fully responsive and works perfectly on smartphones and tablets. The buttons are designed to be touch-friendly on mobile screens.
You need an internet connection to load the calculator initially, but once loaded, most basic functions will continue to work if you lose connection.