Polynomial Equation and Fibonacci Series Surface Area & Volume of a Cube in c pro

Evaluate the given Polynomial Equation

#include 

#include 

#include 

#define maxsize 10

void main()

{

    int array[maxsize];

    int i, num, power;

    float x, polySum;

    clrscr();

    printf("Enter the order of the polynomial \n");

    scanf("%d", &num);

    printf("Enter the value of x \n");

    scanf("%f", &x);

    printf("Enter %d coefficients \n", num + 1);

    for (i = 0; i <= num; i++)

    {

        scanf("%d", &array[i]);

    }

    polySum = array[0];

    for (i = 1; i <= num; i++)

    {

        polySum = polySum * x + array[i];

    }

    power = num;

    printf("Given polynomial is: \n");

    for (i = 0; i <= num; i++)

    {

        if (power < 0)

        {

            break;

        }

        if (array[i] > 0)

            printf(" + ");

        else if (array[i] < 0)

            printf(" - ");

        else

            printf(" ");

        printf("%dx^%d  ", abs(array[i]), power--);

    }

    printf("\n Sum of the polynomial = %6.2f \n", polySum);

    getch();

}

Output

Enter the order of the polynomial

2

Enter the value of x

2

Enter 3 coefficients

3

2

6

Given polynomial is:

+ 3x^2   + 2x^1   + 6x^0

Sum of the polynomial =  22.00

Enter the order of the polynomial

4

Enter the value of x

1

Enter 5 coefficients

3

-5

6

8

-9

Given polynomial is:

+ 3x^4   - 5x^3   + 6x^2   + 8x^1   - 9x^0

Sum of the polynomial =   3.00

Generate Fibonacci Series

#include 

#include 

void main()

{

    int  fib1 = 0, fib2 = 1, fib3, limit, count = 0;

    clrscr();

    printf("Enter the limit to generate the Fibonacci Series \n");

    scanf("%d", &limit);

    printf("Fibonacci Series is ...\n");

    printf("%d\n", fib1);

    printf("%d\n", fib2);

    count = 2;

    while (count < limit)

    {

        fib3 = fib1 + fib2;

        count++;

        printf("%d\n", fib3);

        fib1 = fib2;

        fib2 = fib3;

    } 

    getch();

}

Output

Enter the limit to generate the Fibonacci Series

6

Fibonacci Series is ...

0

1

1

2

3

5

Compute the Surface Area & Volume of a Cube

#include 

#include 

#include 

 void main()

{

    float side, surfacearea, volume;

    clrscr();

    printf("Enter the length of a side \n");

    scanf("%f", &side);

    surfacearea = 6.0 * side * side;

    volume = pow(side, 3);

    printf("Surface area = %6.2f and Volume = %6.2f \n", surfacearea, volume);

    getch();

}

Output

Enter the length of a side

34

Surface area = 6936.00 and Volume = 39304.00