Calculation History
Your history will appear here.
Keyboard Shortcuts
Calculator Features
Instant Calculations
Perform basic arithmetic operations instantly with accurate results. Supports addition, subtraction, multiplication, and division.
Calculation History
Track all your calculations with a complete history. Click any previous calculation to reuse it.
Memory Functions
Store values in memory (MS), recall them (MR), add to memory (M+), subtract (M−), or clear (MC).
Keyboard Support
Use your keyboard for fast input. Numbers, operators, Enter for equals, Esc for clear, and more.
Mobile Friendly
Fully responsive design works perfectly on smartphones, tablets, and desktop computers.
100% Private
All calculations happen in your browser. No data is sent to servers. Your calculations stay private.
About the Basic Calculator
Our free online basic calculator provides all the essential arithmetic functions you need for everyday calculations. Whether you're balancing a budget, calculating tips, working on homework, or performing quick business calculations, this calculator delivers accurate results instantly.
How to Use the Calculator
- Basic Operations: Enter numbers and use +, −, ×, ÷ for arithmetic operations
- Order of Operations: The calculator follows standard mathematical order (PEMDAS/BODMAS)
- Memory Functions: Use MS to store, MR to recall, M+ to add, M− to subtract, MC to clear memory
- Special Functions: Use √ for square root, x² for square, 1/x for reciprocal, % for percentage
- Keyboard Input: Type numbers and operators directly using your keyboard for faster input
- History: All calculations are saved in history panel - click any item to reuse it
Order of Operations (PEMDAS)
The calculator follows the standard mathematical order of operations, often remembered by the acronym PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right). This ensures calculations are performed correctly according to mathematical conventions.
Common Uses
Basic calculators are essential tools for students, professionals, and anyone who needs quick mathematical calculations. Common uses include: calculating discounts and sales tax, splitting bills among friends, computing tips at restaurants, solving homework problems, managing personal budgets, and performing quick business calculations. The memory functions are particularly useful for multi-step calculations where you need to store intermediate results.
Need More Advanced Features?
Looking for scientific functions like trigonometry, logarithms, or exponents? Try our Scientific Calculator for advanced mathematical operations! Or explore our Math Calculators category for specialized tools. 📐