Calculator free

Features of the Free Calculator:

• Basic Operations: Addition, subtraction, multiplication and division with high precision
• Free Functions: Square root (√), square (x²) and percentage (%) - completely free
• Advanced Functions: Reciprocal (1/x), sign change (±) and pi constant (π)
• Premium Features: Square feet (sq ft) and square meters (sq m) for area calculations
• Memory Functions: Complete memory system for complex calculations
• Calculation History: Automatic recording with reuse capability
• Keyboard Support: Use keyboard for quick input
• Mobile Optimization: Interface perfectly adapted for smartphones and tablets
• 100% Free: No registration, no payment, no hidden costs

How to use:

1. Enter numbers by clicking numeric buttons (0-9) or using your keyboard
2. Select an operation: + (addition), - (subtraction), × (multiplication), / (division)
3. Enter the second number
4. Click "=" or press Enter to see the result
5. Use "AC" to clear all, "CE" to clear current entry, "⌫" to delete last digit

Free Functions:

• √: Calculates the square root of the displayed number
• x²: Squares the number
• %: Converts the number to percentage (divides by 100)

Advanced Functions:

• 1/x: Calculates the reciprocal of the number (1 divided by the number)
• ±: Changes the sign of the number (positive becomes negative and vice versa)
• π: Inserts the value of pi (3.14159...)
• ( ): Parentheses to create complex expressions

Premium Features:

• sq ft: Square feet mode for area conversions
• sq m: Square meters mode for area conversions

Memory Functions:

• MC (Memory Clear): Clears memory
• MR (Memory Recall): Recalls the value stored in memory
• M+ (Memory Add): Adds the current number to memory
• M- (Memory Subtract): Subtracts the current number from memory
• MS (Memory Store): Stores the current number in memory

Keyboard Shortcuts:

• 0-9: Enter numbers
• +, -, *, /: Basic operations
• Enter or =: Calculate result
• Esc: Clear all
• Backspace: Delete last character
• . (period): Decimal point
• ( ) : Parentheses for complex expressions

Why choose our Free Calculator:

• 100% Free: No registration, no payment, no hidden fees
• No Installation: Works directly in your web browser
• Cross-platform: Compatible with Windows, Mac, Linux, iOS and Android
• Always Updated: Access to the latest version automatically
• Professional Features: Support for area conversions and premium functions
• Intuitive Interface: Easy-to-use design for all skill levels
• High Precision: Accurate calculations for professional and academic work
• Mobile Optimized: Perfect for use on smartphones and tablets
• Privacy Focused: No data collection, no tracking, completely private

Free vs Premium Features: