#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<graphics.h>
int initmouse();
void showptr();
void openwindow(...
}
showptr();
num=0;
gotoxy(36,5);
printf("%18.1Lf",num);
count=0;
while(!kbhit())
{
outtextxy(30,20,"Press any key to exit...
case '6':
get=addnum(6);
gotoxy(36,5);
printf("%18.1Lf",get);
break;
case '7':
get=addnum(7);
gotoxy(36,5);
printf("%18.1L...
case '+':

case '-':

if(count<1)
{
result=num+num1;
}
else
{
result=result+num;
}
gotoxy(36,5);
printf("%18.1Lf",result);...
closewindow();
getch();
}
long double addnum(int getnum)
{
num=num*10+getnum;
return(num);
}
int initmouse()
{
i.x.ax=0;
i...
outtextxy(20,116,"Press any key to continue.......");
if((aa==350)&&(cc==360))
{
aa=250;
cc=260;
continue;
}
else
{
setcol...
outtextxy(20,116,"Press any key to continue.......");
if((aa==350)&&(cc==360))
{
aa=250;
cc=260;
continue;
}
else
{
setcol...
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135

  1. 1. #include<stdio.h> #include<conio.h> #include<dos.h> #include<graphics.h> int initmouse(); void showptr(); void openwindow(); void closewindow(); void hideptr(); void getmousepos(int *,int*,int*); void restrictptr(int,int,int,int); int button,x,y,x1,y1,x2,y2,s; long double num=0,get,num1=0,result=0; long double addnum(int); char opr; int a,b,r,s,i1,count,c,sq,newnum=1,d=0; union REGS i,o; void main() { int driver=DETECT,mode; int q,p[12]; char input; char *inpu[4][4]={"1","2","3","4", "5","6","7","8", "9","0","+","-" , "*","/","clr","="}; char inp[4][4]={'1','2','3','4', '5','6','7','8', '9','0','+','-' , '*','/','l','='}; initgraph(&driver,&mode,"c:tcbgi"); if(initmouse()==0) { printf("not"); getch(); exit(0); } openwindow(); getch(); cleardevice(); setfillstyle(CLOSE_DOT_FILL,10); bar(260,82,450,320); bar(430,70,450,320); setfillstyle(1,GREEN); bar(236,82,432,300); setcolor(GREEN); rectangle(238,50,430,80); rectangle(237,49,431,81); rectangle(236,48,432,82); c=240; d=100; s=0; for(a=0;a<4;a++) { c=240; for(b=0;b<4;b++) { setfillstyle(1,RED); bar(c,d,c+40,d+40); setcolor(YELLOW); outtextxy(c+10,d+14,inpu[a][b]); c+=50; } d+=50;
  2. 2. } showptr(); num=0; gotoxy(36,5); printf("%18.1Lf",num); count=0; while(!kbhit()) { outtextxy(30,20,"Press any key to exit.."); i1=0; c=240; d=100; rectangle(0,0,638,478); getmousepos(&button,&x,&y); for(a=0;a<4;a++) { c=240; for(b=0;b<4;b++) { if((x>=c&&x<=c+40)&&(y>=d&&y<=d+40)) { if((button&1)==1) { while((button&1)==1) { setcolor(10); rectangle(c,d,c+40,d+40); rectangle(c-1,d-1,c+41,d+41); rectangle(c-2,d-2,c+42,d+42); break; } delay(100); setcolor(GREEN); rectangle(c,d,c+40,d+40); rectangle(c-1,d-1,c+41,d+41); rectangle(c-2,d-2,c+42,d+42); input=inp[a][b]; switch(input) { case '1': get=addnum(1); gotoxy(36,5); printf("%18.1Lf",get); break; case '2': get=addnum(2); gotoxy(36,5); printf("%18.1Lf",get); break; case '3': get=addnum(3); gotoxy(36,5); printf("%18.1Lf",get); break; case '4': get=addnum(4); gotoxy(36,5); printf("%18.1Lf",get); break; case '5': get=addnum(5); gotoxy(36,5); printf("%18.1Lf",get); break;
  3. 3. case '6': get=addnum(6); gotoxy(36,5); printf("%18.1Lf",get); break; case '7': get=addnum(7); gotoxy(36,5); printf("%18.1Lf",get); break; case '8': get=addnum(8); gotoxy(36,5); printf("%18.1Lf",get); break; case '9': get=addnum(9); gotoxy(36,5); printf("%18.1Lf",get); break; case '0': get=addnum(0); gotoxy(36,5); printf("%18.1Lf",get); break; case '+': num1=num; num=0; opr='+'; gotoxy(36,5); printf("%18.1Lf",num); break; case '-': num1=num; num=0; opr='-'; gotoxy(36,5); printf("%18.1Lf",num); break; case '*': num1=num; num=0; opr='*'; gotoxy(36,5); printf("%18.1Lf",num); break; case '/': num1=num; num=0; opr='/'; gotoxy(36,5); printf("%18.1Lf",num); break; case 'l': num=0; num1=0; result=0; count=0; gotoxy(36,5); printf("%18.1Lf",num); break; case '=': switch(opr) {
  4. 4. case '+': case '-': if(count<1) { result=num+num1; } else { result=result+num; } gotoxy(36,5); printf("%18.1Lf",result); count+=1; break; if(count<1) { result=num1-num; } else { result=result-num; } gotoxy(36,5); printf("%18.1Lf",result); count+=1; break; case '*': case '/': if(count<1) { result=num1*num; } else { result=result*num; } gotoxy(36,5); printf("%18.1Lf",result); count+=1; break; if(count<1) { result=num1/num; } else { result=result/num; } gotoxy(36,5); printf("%18.1Lf",result); count+=1; break; } } } } c+=50; } d+=50; } setcolor(YELLOW); delay(150); } getch();
  5. 5. closewindow(); getch(); } long double addnum(int getnum) { num=num*10+getnum; return(num); } int initmouse() { i.x.ax=0; int86(0x33,&i,&o); return(o.x.ax); } void showptr() { i.x.ax=1; int86(0x33,&i,&o); } void hideptr() { i.x.ax=2; int86(0x33,&i,&o); } void restrictptr(int x1,int y1,int x2,int y2) { i.x.ax=7; o.x.cx=x1; o.x.dx=x2; int86(0x33,&i,&o); i.x.ax=8; o.x.cx=y1; o.x.dx=y2; int86(0x33,&i,&o); } void getmousepos(int *button,int *x,int *y) { i.x.ax=3; int86(0x33,&i,&o); *button=o.x.bx; *x=o.x.cx; *y=o.x.dx; } void openwindow() { int aa,bb,cc,dd,maxx,maxy,i=10; maxx=getmaxx(); maxy=getmaxy(); rectangle(0,0,maxx,maxy); aa=250; bb=400; cc=260; for(dd=250;dd<350;dd+=20) { setfillstyle(1,2); bar(dd,bb,cc,bb+10); cc+=20; } aa=250; bb=400; cc=260; while(!kbhit()) { setcolor(BLUE);
  6. 6. outtextxy(20,116,"Press any key to continue......."); if((aa==350)&&(cc==360)) { aa=250; cc=260; continue; } else { setcolor(10); rectangle(aa,bb,cc,bb+10); rectangle(aa-1,bb-1,cc+1,bb+11); } delay(300); setcolor(BLACK); rectangle(aa,bb,cc,bb+10); rectangle(aa-1,bb-1,cc+1,bb+11); aa+=20; cc+=20; } } void closewindow() { int i,j,k; cleardevice(); rectangle(0,0,638,478); k=0; while(!kbhit()) { setcolor(k); settextstyle(5,0,8); outtextxy(100,200,"THANK YOU"); line(90,300,600,300); delay(200); k++; } }
  7. 7. outtextxy(20,116,"Press any key to continue......."); if((aa==350)&&(cc==360)) { aa=250; cc=260; continue; } else { setcolor(10); rectangle(aa,bb,cc,bb+10); rectangle(aa-1,bb-1,cc+1,bb+11); } delay(300); setcolor(BLACK); rectangle(aa,bb,cc,bb+10); rectangle(aa-1,bb-1,cc+1,bb+11); aa+=20; cc+=20; } } void closewindow() { int i,j,k; cleardevice(); rectangle(0,0,638,478); k=0; while(!kbhit()) { setcolor(k); settextstyle(5,0,8); outtextxy(100,200,"THANK YOU"); line(90,300,600,300); delay(200); k++; } }

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