Simple Calculator
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How to use the simple calculator
Enter numbers and choose operations like +, −, ×, ÷ to calculate instantly. This free online calculator is optimized for speed and accuracy and works perfectly on mobile and desktop.
Formulas and examples
Basic arithmetic follows standard math rules. Example: (12 + 7) × 3 = 57. Use the percent key to compute percentages, e.g. 120 × 10% = 12.