Dev: C 5.12

void advancedCalculator() { double num, result; int choice;

if(isPrime) { cout << "\n" << num << " is a PRIME number!\n"; // Find next prime int nextNum = num + 1; while(true) { bool nextIsPrime = true; for(int i = 2; i <= sqrt(nextNum); i++) { if(nextNum % i == 0) { nextIsPrime = false; break; } } if(nextIsPrime) { cout << "The next prime number is: " << nextNum << endl; break; } nextNum++; } } else { cout << "\n" << num << " is NOT a prime number.\n"; // Find factors cout << "Factors: "; for(int i = 1; i <= num; i++) { if(num % i == 0) { cout << i; if(i < num) cout << ", "; } } cout << endl; } } dev c 5.12

cout << fixed << setprecision(2);

void showMenu() { cout << "\n========== CALCULATOR FEATURE ==========\n"; cout << "1. Basic Calculator (+, -, *, /)\n"; cout << "2. Advanced Calculator (^, √, sin, cos, tan)\n"; cout << "3. Number Statistics (Sum, Average, Min, Max)\n"; cout << "4. Prime Number Checker\n"; cout << "5. Temperature Converter (Celsius/Fahrenheit)\n"; cout << "6. Exit\n"; cout << "========================================\n"; } void advancedCalculator() { double num, result; int choice;

switch(operation) { case '+': cout << "\nResult: " << num1 << " + " << num2 << " = " << num1 + num2 << endl; break; case '-': cout << "\nResult: " << num1 << " - " << num2 << " = " << num1 - num2 << endl; break; case '*': cout << "\nResult: " << num1 << " * " << num2 << " = " << num1 * num2 << endl; break; case '/': if(num2 != 0) cout << "\nResult: " << num1 << " / " << num2 << " = " << num1 / num2 << endl; else cout << "\nError: Division by zero!\n"; break; default: cout << "\nInvalid operator!\n"; } } Number Statistics (Sum, Average, Min, Max)\n"; cout &lt;&lt;

void basicCalculator() { double num1, num2; char operation;