char makeCapital;
    
    printf("Write a lower case character : ");
    scanf("%c",&makeCapital);
    
    printf("Your conversion is : %c",makeCapital - 32;

    char makeLower;
    
    printf("Write a Capital character : ");
    scanf("%c",&makeLower);
    
    printf("Your conversion is : %c",makeLower + 32);

    int number;
    printf("Write an integer number : ");
    scanf("%d",&number);

    printf("Hexadecimal Number : %x",number);

    int num1,num2,sum;
    
    printf("Write two numbers : ");
    scanf("%d %d",&num1,&num2);

    sum = num1 + num2;
    printf("Two number sum is : %d",sum);

    int num1,num2,result;
    float evg;
    
    printf("Write two numbers :");
    scanf("%d %d",&num1,&num2);

    result = num1 + num2 ;
    printf("Sum is : %d", result);

    evg = (float)result / 2 ;
    printf("average is : %.1f",evg);

    float height , base , area;
    
    printf("What is your height : ");
    scanf("%f",&height);
    
    printf("What is your width : ");
    scanf("%f",&base);
    
    area = (float)1/2 * height * base;
    printf("Result is : %.2f",area);

    double a , b , c, s , area;
    
    printf("Enter 3 Values : ");
    scanf("%lf %lf %lf",&a,&b,&c);

    s = (a+b+c)/2;
    area = sqrt(s*(s-a)*(s-b)*(s-c));

    printf("The Area of Triangle : %.2lf",area);

    float length,width,area;

    printf("Enter your length : ");
    scanf("%f",&length);

    printf("Enter your width : ");
    scanf("%f",&width);

    area = length * width;

    printf("The area of rectangle : %.2f",area);
    

    float area , radius;
    printf("Write your radius : ");
    scanf("%f",&radius);

    area = 3.1416 * radius * radius;

    printf("Area of Circle : %.2f",area);

float c , f ;
printf("Write your centegrate value : ");
scanf("%f",&c);

f = (1.8 * c)+ 32;

printf("Fahrenheit : %.2f \n",f);