/*Prime.Chapter_01/17 Write a program for Area of Squre*/ //document #include<stdio.h> //Header file #include<conio.h> //Header file Preprocessor Directive #define N 10 //Symbolic constant void main() //main program starts { int area; //variable declaration area = N*N; //process stmt printf("Area of square:\n"); // o/p stmt printf("%d", area); // to show the output visible getch(); return 0; } // Program ends.