In here I will show you some small projects for beginners. 1. Calculator 2. To-Do List 3. Guess the Number Game 4. Bank Management System 5. Student Grade Calculator 6. Simple File Encryption/Decryption 7. Library Management System 8. Temperature Converter These projects I have done with dev C++ . A) Create a Calculator Create a basic calculator program that can perform arithmetic operations like addition, subtraction, multiplication, and division. Allow the user to input two numbers and choose the operation. Display the result. #include <stdio.h> int main() { int num1, num2; char operator; printf("Enter first number: "); scanf("%d", &num1); printf("Enter operator (+, -, *, /): "); scanf(" %c", &operator); printf("Enter second number: "); scanf("%d", &num2); switch (operator) { case '+': printf("Result: %d\n", num1 + n