Simple Online Calculator
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📋 Calculation History
History will appear here after first calculations
💡 Useful Tips
- Quick Input: Use your keyboard for faster number entry
- Memory: Store intermediate results in calculator memory
- Percentages: Use the % button for percentage calculations
- History: Review previous calculations in the history panel
🧮 Simple Online Calculator
Convenient and fast tool for performing basic mathematical operations. Perfect for everyday calculations, school assignments, and office work.
🎯 Calculator Features:
- ✅ Basic arithmetic operations (+, -, ×, ÷)
- ✅ Decimal number support
- ✅ Parentheses operations
- ✅ Memory functions (M+, M-, MR, MC)
- ✅ Percentage calculations
- ✅ Calculation history
- ✅ User-friendly interface with large buttons
⌨️ Keyboard Shortcuts:
- 0-9: Enter digits
- +, -, *, /: Arithmetic operations
- Enter or =: Calculate result
- Escape or C: Clear
- Backspace: Delete last character
- .: Decimal point
📚 How to Use:
- Enter the first number by clicking digit buttons
- Select an operation (+, -, ×, ÷)
- Enter the second number
- Press "=" to get the result
- Use "C" to clear or "CE" to delete last entry
Frequently Asked Questions
How to perform complex calculations with multiple operations?
The calculator follows the order of operations (PEMDAS). Parentheses first, then multiplication and division, finally addition and subtraction.
How to use memory functions?
M+ adds value to memory, M- subtracts, MR recalls memory value, MC clears memory. Useful for complex calculations with intermediate results.
Can I use the keyboard?
Yes! The calculator supports keyboard input. Use digits, +, -, *, /, Enter to calculate, and Escape to clear.
How to calculate percentages?
Enter a number, press %, then enter the percentage and operation. Example: 100 % 20 + to calculate 100 + 20% of 100.