/* Scientific Calculator */ #include #include #include #include #include #include #include double rfact(double); void main() { int ch; int k,n,choice; float sinx,cosx,tanx,cotx,secx,cosecx; float x,j,i; clrscr(); cin>>ch; if(ch==4444) { int gdriver=DETECT,gmode, errorcode; initgraph(&gdriver,&gmode,"e:\\tc\\bgi"); setbkcolor(LIGHTRED); settextstyle(7,0,9); outtextxy(45,160,"..WELCOME!..");//page1 getch(); closegraph(); } getch(); clrscr(); textcolor(YELLOW+128); gotoxy(30,12); cprintf("COMPUTER EXHIBITION\n\r");//page2 textcolor(GREEN); gotoxy(30,14); cprintf(" Dhanoop Bhaskar \n\r"); textcolor(BLUE); gotoxy(30,15); cprintf(" C2 Batch\n\r"); textcolor(CYAN); gotoxy(30,16); cprintf(" CARDINAL .HSS\n\r "); textcolor(RED+128); gotoxy(33,19); cprintf("INSTRUCTIONS:\n\r"); textcolor(YELLOW); gotoxy(22,20); cprintf("\(The Scientific Calculator enables to\n\r"); gotoxy(22,21); cprintf("F...