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Basic Calculator

A simple calculator for basic arithmetic operations with keyboard support

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Basic Calculator
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About the Basic Calculator

Our free online basic calculator provides a simple and intuitive interface for performing everyday arithmetic operations. Whether you're calculating expenses, doing homework, or need quick mathematical results, this calculator offers the essential functions you need.

The calculator supports addition, subtraction, multiplication, and division, along with percentage calculations and memory functions. It's designed to work seamlessly on all devices, from desktop computers to mobile phones.

Key Features

Clean and intuitive user interface
Keyboard support for faster input
Memory functions (M+, M-, MR, MC)
Percentage calculations
Clear and backspace functions
Responsive design for all devices
No installation required
Works offline after initial load

How to Use the Basic Calculator

1
Enter Your Numbers
Click the number buttons or use your keyboard to enter the first number in your calculation. The display will show your input in real-time.
2
Select an Operation
Choose the mathematical operation you want to perform by clicking the +, -, ×, or ÷ button. You can also use your keyboard's corresponding keys.
3
Enter the Second Number
Input the second number for your calculation using the number pad or keyboard. The calculator will display your entry.
4
Get Your Result
Press the equals button (=) or hit Enter on your keyboard to see the result of your calculation. The answer will appear in the display.
5
Continue Calculating
You can continue performing operations on the result, or press C to clear and start a new calculation.

Common Use Cases

Personal Finance
Calculate expenses, split bills, determine tips, and manage your budget with quick arithmetic operations.
Shopping
Add up prices, calculate discounts, compare costs, and determine total expenses while shopping online or in-store.
Homework & Study
Verify arithmetic homework, check calculations, and solve basic math problems for school assignments.
Work & Business
Perform quick calculations for invoices, estimates, measurements, and other business-related arithmetic.

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