Standard Notation Calculator
.calculator-container { font-family: Arial, sans-serif; max-width: 700px; margin: 20px auto; padding: 20px; border: 1px solid #ccc; border-radius: 8px; background-color: #f9f9f9; } .calculator-container h2 { color: #333; text-align: center; margin-bottom: 15px; } .calculator-container p { margin-bottom: 15px; line-height: 1.6; } .calculator-section…