Dev C 5.12 Apr 2026
cout << "\n--- Temperature Converter ---\n"; cout << "1. Celsius to Fahrenheit\n"; cout << "2. Fahrenheit to Celsius\n"; cout << "Enter your choice: "; cin >> choice;
void numberStats() { int n; vector<double> numbers;
void basicCalculator() { double num1, num2; char operation;
void showMenu() { cout << "\n========== CALCULATOR FEATURE ==========\n"; cout << "1. Basic Calculator (+, -, *, /)\n"; cout << "2. Advanced Calculator (^, 鈭�, 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"; } dev c 5.12
#include <iostream> #include <cmath> #include <iomanip> #include <vector> #include <algorithm> using namespace std;
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; } }
switch(choice) { case 1: { double exponent; cout << "Enter base: "; cin >> num; cout << "Enter exponent: "; cin >> exponent; result = pow(num, exponent); cout << "\nResult: " << num << "^" << exponent << " = " << result << endl; break; } case 2: cout << "Enter number: "; cin >> num; if(num >= 0) { result = sqrt(num); cout << "\nSquare root of " << num << " = " << result << endl; } else { cout << "\nError: Cannot calculate square root of negative number!\n"; } break; case 3: cout << "Enter angle in degrees: "; cin >> num; result = sin(num * M_PI / 180.0); cout << "\nsin(" << num << "掳) = " << result << endl; break; case 4: cout << "Enter angle in degrees: "; cin >> num; result = cos(num * M_PI / 180.0); cout << "\ncos(" << num << "掳) = " << result << endl; break; case 5: cout << "Enter angle in degrees: "; cin >> num; if(fmod(num, 180) != 90) { result = tan(num * M_PI / 180.0); cout << "\ntan(" << num << "掳) = " << result << endl; } else { cout << "\nError: Tangent undefined for this angle!\n"; } break; default: cout << "\nInvalid choice!\n"; } } Basic Calculator (+, -, *, /)\n"; cout << "2
cout << "\n--- Number Statistics ---\n"; cout << "How many numbers do you want to enter? "; cin >> n;
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"; } }
cout << "\n--- Prime Number Checker ---\n"; cout << "Enter a positive integer: "; cin >> num; Prime Number Checker\n"; cout << "5
int main() { int choice;
cout << fixed << setprecision(2); cout << "\n--- Results ---\n"; cout << "Sum: " << sum << endl; cout << "Average: " << average << endl; cout << "Minimum: " << minNum << endl; cout << "Maximum: " << maxNum << endl; }
cout << "\n--- Basic Calculator ---\n"; cout << "Enter first number: "; cin >> num1; cout << "Enter operator (+, -, *, /): "; cin >> operation; cout << "Enter second number: "; cin >> num2;
cout << "\n--- Advanced Calculator ---\n"; cout << "1. Power (x^y)\n"; cout << "2. Square Root\n"; cout << "3. Sine (sin)\n"; cout << "4. Cosine (cos)\n"; cout << "5. Tangent (tan)\n"; cout << "Enter your choice: "; cin >> choice;
// Function prototypes void showMenu(); void basicCalculator(); void advancedCalculator(); void numberStats(); void primeChecker(); void temperatureConverter(); void clearScreen();