What it is
A lightweight arithmetic calculator with the four basic operations plus parentheses and decimal handling.
Free Online Calculator
Add, subtract, multiply, divide
BASIC
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Free Online Basic Calculator — Add, Subtract, Multiply, Divide
A clean, fast online basic calculator for everyday arithmetic. Supports parentheses, decimals and full keyboard input. Perfect for quick sums, tips, budgets, shopping totals and more.
Key features
- +, −, ×, ÷ operators
- Parentheses for grouping
- Decimal precision
- Keyboard shortcuts
Best for
Everyday math — shopping lists, splitting bills, quick budgets, homework and any on-the-fly calculation.
Frequently asked questions
Can I use my keyboard?
Yes. Type numbers and operators directly, press Enter to evaluate, and Esc to clear. The calculator supports standard keyboard input just like a native app.
Does it support parentheses?
Yes — click ( or ) to group operations. Expressions evaluate with standard operator precedence.
What about advanced math?
For trigonometry, logarithms, powers and factorials, use the Scientific Calculator.
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