Output:
Exer8




#include
#include
#include
#include

void nextscreen();
void nextscreen2();
void box();
void loop();


void main()
{
nextscreen();
nextscreen2();
getche();
}

void loop()
{
for(int i=1;i<=25;i++) { gotoxy(29+i,16);textcolor(RED);cprintf("Û"); delay(60); } for(int o=1;o<=25;o++) { gotoxy(29+o,16);textcolor(YELLOW);cprintf("°"); } } void nextscreen2() { clrscr(); int a,b,x,y,z,choice; for(x=1;x<=77;x++) { gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í"); gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í"); } for(y=1;y<=20;y++){ gotoxy(3,1+y);textcolor(YELLOW);cprintf("º"); gotoxy(79,1+y);textcolor(YELLOW);cprintf("º"); } gotoxy(3,1);textcolor(YELLOW);cprintf("É"); gotoxy(3,21);textcolor(YELLOW);cprintf("È"); gotoxy(79,1);textcolor(YELLOW);cprintf("»"); gotoxy(79,21);textcolor(YELLOW);cprintf("¼"); for(a=1;a<=49;a++) { gotoxy(15+a,4);textcolor(CYAN);cprintf("ß"); gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü"); } for(b=1;b<=14;b++) { gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ"); gotoxy(65,3+b);textcolor(CYAN);cprintf("Ý "); } gotoxy(35,3);textcolor(GREEN);cprintf("M E N U"); gotoxy(30,6);textcolor(GREEN);cprintf("[1] Addition "); gotoxy(30,8);textcolor(GREEN);cprintf("[2] Subtraction"); gotoxy(30,10);textcolor(GREEN);cprintf("[3] Multplication"); gotoxy(30,12);textcolor(GREEN);cprintf("[4] Division"); gotoxy(30,14);textcolor(GREEN);cprintf("[5] Exit"); gotoxy(30,15);textcolor(YELLOW);cprintf("Please make your choice:"); scanf("%d",&choice); switch(choice){ case 1: float sum=0,x,y; clrscr(); box(); gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: "); scanf("%f", &x); gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: "); scanf("%f", &y); sum=x+y; gotoxy(30,10);textcolor(YELLOW);cprintf("Sum is %f.", sum); getche(); nextscreen2(); break; case 2: float dif=0,a,b; clrscr(); box(); gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: "); scanf("%f", &a); gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: "); scanf("%f", &b); dif=a-b; gotoxy(30,10);textcolor(YELLOW);cprintf("Difference is %f.", dif); getche();nextscreen2(); break; case 3: float pro=0,c,d; clrscr(); box(); gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: "); scanf("%f", &c); gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: "); scanf("%f", &d); pro=c*d; gotoxy(30,10);textcolor(YELLOW);cprintf("Product is %f.", pro); getche();nextscreen2(); break; case 4: float quo=0,e,f; clrscr(); box(); gotoxy(30,7);textcolor(LIGHTRED);cprintf("Enter 1st number: "); scanf("%f", &e); gotoxy(30,8);textcolor(LIGHTRED);cprintf("Enter 2nd number: "); scanf("%f", &f); quo=e/f; gotoxy(30,10);textcolor(YELLOW);cprintf("Quotient is %f.", quo); getche();nextscreen2(); break; case 5: exit (0);nextscreen2(); break; default: gotoxy(30,16);textcolor(WHITE);cprintf("Invalid input"); getche();nextscreen2(); break; } getche(); } void nextscreen() { clrscr(); int a,b,x,y,z; for(x=1;x<=77;x++) { gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í"); gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í"); } for(y=1;y<=20;y++){ gotoxy(3,1+y);textcolor(YELLOW);cprintf("º"); gotoxy(79,1+y);textcolor(YELLOW);cprintf("º"); } gotoxy(3,1);textcolor(YELLOW);cprintf("É"); gotoxy(3,21);textcolor(YELLOW);cprintf("È"); gotoxy(79,1);textcolor(YELLOW);cprintf("»"); gotoxy(79,21);textcolor(YELLOW);cprintf("¼"); for(a=1;a<=49;a++) { gotoxy(15+a,4);textcolor(CYAN);cprintf("ß"); gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü"); } for(b=1;b<=14;b++) { gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ"); gotoxy(65,3+b);textcolor(CYAN);cprintf("Ý "); } gotoxy(35,3);textcolor(GREEN);cprintf("W E L C O M E"); gotoxy(40,6);textcolor(GREEN);cprintf("T O"); gotoxy(30,8);textcolor(GREEN);cprintf("C S 1 2 1 "); gotoxy(40,10);textcolor(GREEN);cprintf("P R O G R A M M I N G"); gotoxy(30,12);textcolor(GREEN);cprintf("W O R L D"); for(z=1;z<=25;z++){ gotoxy(29+z,16);textcolor(YELLOW);cprintf("ß"); } gotoxy(28,15);textcolor(RED);cprintf("LOADING......"); for(int d=1;d<=5;d++) { loop(); } } void box() { clrscr(); int a,b,x,y,z; for(x=1;x<=77;x++) { gotoxy(2+x,1);textcolor(YELLOW);cprintf("Í"); gotoxy(2+x,21);textcolor(YELLOW);cprintf("Í"); } for(y=1;y<=20;y++){ gotoxy(3,1+y);textcolor(YELLOW);cprintf("º"); gotoxy(79,1+y);textcolor(YELLOW);cprintf("º"); } gotoxy(3,1);textcolor(CYAN);cprintf("É"); gotoxy(3,21);textcolor(CYAN);cprintf("È"); gotoxy(79,1);textcolor(CYAN);cprintf("»"); gotoxy(79,21);textcolor(CYAN);cprintf("¼"); for(a=1;a<=49;a++) { gotoxy(15+a,4);textcolor(CYAN);cprintf("ß"); gotoxy(15+a,17);textcolor(CYAN);cprintf("Ü"); } for(b=1;b<=14;b++) { gotoxy(16,3+b);textcolor(CYAN);cprintf("Þ"); gotoxy(65,3+b);textcolor(CYAN);cprintf("Ý "); } }