🔢
计算器
简单的在线计算器，用于基本数学运算
历史
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ℹ️ 关于 Calculator
A full-featured online calculator for basic arithmetic, percentages, and more. Supports keyboard input, memory functions, and calculation history. Works on any device without installation.
💡 使用场景
Quick everyday calculations
Percentage and discount calculations
Financial calculations and budgeting
Student homework and studying
Professional work calculations
📋 使用方法
1
Click number buttons or use your keyboard
2
Use operation buttons (+, -, ×, ÷) for calculations
3
Press = or Enter to see the result
4
Use C to clear and start a new calculation
💎 Pro Tips
- Use keyboard numbers and operators for faster input
- Press Escape to clear the current calculation
- Calculation history is saved during your session
❓ Frequently Asked Questions
Yes! Use numbers 0-9, operators (+, -, *, /), Enter for equals, and Escape to clear.
Yes, your calculations are saved during the session and displayed below the calculator.
This is a basic calculator. For scientific functions, use our scientific calculator tool.
Yes, the calculator is fully responsive and works great on phones and tablets.