Basic Calculator
Simple and fast online calculator for basic arithmetic operations. Perfect for everyday math calculations and quick problem solving.
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How to use the Basic Calculator
- Tap the numbers and an operator (+, −, ×, ÷).
- Enter the next number.
- Press = to see the answer.
- Press C to clear and start again.
Order of operations
Multiplication and division are done before addition and subtraction
Worked example
Examples
250 + 175 = 425
1,200 × 12 = 14,400
5 + 3 × 2 = 11 (not 16)
12.5 × 4 = 50
Everyday uses
Use it for shopping bills, splitting expenses, quick unit prices (price ÷ quantity), or checking change. For percentages, discounts, EMIs or scientific functions, the dedicated calculators on this site give step-by-step results with explanations.
Tips for accurate results
- Check the display before pressing = to catch typing mistakes.
- For long sums, add in groups to avoid errors.
- Use the scientific calculator for powers, roots and trigonometry.
Frequently Asked Questions
Yes, multiplication and division are evaluated before addition and subtraction.
Yes, use the decimal point key.
No, everything runs in your browser.
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Content reviewed by Vinod, Easy Smart Calculator · Last updated October 2026
Features
- ✓ Simple and intuitive interface
- ✓ Addition, subtraction, multiplication, division
- ✓ Works on desktop, tablet, and mobile
- ✓ Dark mode support
- ✓ Keyboard support (number keys, +, -, *, /, Enter)
How to Use
- Enter your first number using the number buttons
- Click an operation button (+, −, ×, ÷)
- Enter your second number
- Press = to see the result
- Click C to clear and start a new calculation