C program for operations on polynomials using structures

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/* Various operations on polynomials using structures. */

output :>
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit
Enter your choice :1
 
 Enter number of terms :2
 
enter a term(power  coeff.)2 3
 
enter a term(power  coeff.)3 2
 
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit
Enter your choice :5
 
Enter the value of x:2
 
Value of Polynomial = 28.00
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit
Enter your choice :2
 
 Enter number of terms :2
 
enter a term(power  coeff.)2 4
 
enter a term(power  coeff.)1 5
 
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit
Enter your choice :3
 
1'st polynomial ->  3.00X^2  +  2.00X^3
2'nd polynomial ->  5.00X^1  +  4.00X^2
 Sum =  5.00X^1  +  7.00X^2  +  2.00X^3
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit
Enter your choice :4
 
1'st polynomial ->  3.00X^2  +  2.00X^3
2'nd polynomial ->  5.00X^1  +  4.00X^2
 Product = 15.00X^3  + 22.00X^4  +  8.00X^5
1 : create 1'st polynomial
2 : create 2'nd polynomial
3 : Add polynomials
4 : Multiply polynomials
5 : Evaluate 1'st polynomial
6 : Quit

Enter your choice :6
Download :>