Basic Calculator
Simple, fast, and reliable calculator for everyday calculations
Basic Calculator
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Click buttons or use your keyboard for calculations
Calculator Functions
🧮 Basic Operations
- • Addition (+): Add two or more numbers
- • Subtraction (-): Subtract one number from another
- • Multiplication (×): Multiply numbers together
- • Division (÷): Divide one number by another
- • Equals (=): Calculate and display result
🔧 Additional Functions
- • Percentage (%): Calculate percentages
- • Square Root (√): Find square root of numbers
- • Clear (C): Clear current entry
- • All Clear (AC): Clear all calculations
- • Memory: Store and recall numbers
How to Use the Calculator
1
Enter Numbers
Click number buttons or use your keyboard to enter numbers
2
Choose Operation
Select the operation you want to perform (+, -, ×, ÷)
3
Get Result
Press equals (=) to calculate and display the result
Keyboard Shortcuts
⌨️ Number Keys
- • 0-9: Enter numbers
- • . (period): Decimal point
- • Enter: Calculate result
- • Escape: Clear all
🔣 Operation Keys
- • + (plus): Addition
- • - (minus): Subtraction
- • * (asterisk): Multiplication
- • / (slash): Division
Calculator Tips
💡 Usage Tips
- • Use parentheses for complex calculations
- • Double-check your entries before calculating
- • Use memory functions for repeated calculations
- • Clear the calculator between different problems
- • Round results appropriately for your needs
⚠️ Common Mistakes
- • Forgetting to clear previous calculations
- • Mixing up multiplication and addition signs
- • Not using proper order of operations
- • Entering decimal points incorrectly
- • Dividing by zero (undefined result)