#include"dos.h"
#include"stdio.h"
#include"math.h"
union REGS i,o;
char *text[]={ "7","8","9","*",
"4","5","6","/",
"1","2","3","+",
"0","00",".","-",
"M","M+","M-","+/-",
"MR","MC","x^2","sr",
"OFF","AC","CE","="};
int k=0,pass,op,prop,newnum=1,bt,memo=1,d=0,sq;
long double num=0,accum,m;
void normalbutton(int ,int ,int ,int,char**);
void main()
{
int gd=DETECT,gm,x1,x2,y1,y2,i,j,maxx,maxy,x,y,button;
char *text1[]={""","T","o"," ","K","n","o","w"," ","a","b","o",
"u","t"," ","m","e"," ","l","o","g","o","n"," ",":"};
char *text2[]={"w","w","w",".","g","e","o","c","i","t","i","e","s",
".","c","o","m","/","t","a","l","k","d","e","e","p",
"e","s","h"};
initgraph(&gd,&gm,"");
if(initmouse()==0)
{
closegraph();
restorecrtmode();
printf("
Mouse driver not loded");
exit(1);
}
showmouseptr();
// x=y=50;
movemouseptr(&x,&y);
setbkcolor(11);
setcolor(1);
rectangle(198,140,417,163);
rectangle(199,141,418,164);
rectangle(197,139,416,162);
rectangle(185,130,430,450);
rectangle(184,129,431,451);
rectangle(182,127,433,454);
rectangle(181,126,434,453);
//setfillstyle(SOLID_FILL,3);
//bar(200,142,415,161);
outtextxy(200,50,"A Calculator in C By Deepesh Jain");
outtextxy(200,100,"Press OFF button to exit....");
y1=140;
y2=160;
for(j=0;j<7;j++) x1="200;" x2="235;" i="0;i<4;i++)" y1="140;" y2="160;">400&&x<450)>400&&y<420) j="0;j<7;j++)" x1="200;" x2="235;" i="0;i<4;i++)">x1)&&(y
{
if((button & 1)==1)
{ gotoxy(28,10);
// printf("%d",ch=*text[j*4+i]);
// printf("char is %c",ch);
bt=j*4+i;
// printf("char is %d",j*4+i);
setcolor(11);
outtextxy(x1+12,y1+7,text[j*4+i]);
if(num>pow(10.0,18))
exit();
sound(500);delay(10);nosound();
delay(250);
sound(400);delay(10);
nosound();
switch (bt)
{
case 8 :
addnum(1);
break;
case 9 :
addnum(2);
break;
case 10 :
addnum(3);
break;
case 4 :
addnum(4);
break;
case 5 :
addnum(5);
break;
case 6 :
addnum(6);
break;
case 0 :
addnum(7);
break;
case 1 :
addnum(8);
break;
case 2 :
addnum(9);
break;
case 12 :
addnum(0);
break;
case 11 :
// plus
operation(1);
break;
case 15 :
// minus
operation(2);
break;
case 3 :
// multiplication
operation(3);
break;
case 7 :
// division
operation(4);
break;
case 13:
doublezero();
break;
case 14 :
decimal();
break;
case 16:
mem();
break;
case 20:
recallmem();
break;
case 19:
plusminus();
break;
case 17:
plusm();
break;
case 18:
minusm();
break;
case 21:
clearm();
break;
case 22 :
square();
break;
case 23:
sqroot();
break;
case 24:
// OFF
hidemouseptr();
setcolor(1);
for(j=0;j<20;j++)
{
for(i=75;i<481;i+=20)
line(0,0+i+j,640,j+0+i);
delay(100);
}
setcolor(14);
outtextxy(225,200,"Thanks for using it !");
delay(2000);
setcolor(13);
for(j=0;j<20;j++)
{
for(i=0;i<640;i+=20)
line(0+i+j,0,j+0+i,640);
delay(100);
}
setcolor(1);
for(i=0;i<25;i++)
{
outtextxy(75+10*i,200,text1[i]);
sound(3000);
delay(50);
nosound();
}
for(i=0;i<29;i++)
{
outtextxy(125+10*i,225,text2[i]);
sound(3000);
delay(50);
nosound();
}
// outtextxy(200,225,"www.geocities.com/talkdeepesh ");
delay(2500);
sound(5000);
delay(10);
exit();
break;
case 25:
allclear();
break;
case 26:
clear();
break;
case 27:
// equalto
operation(5);
break;
}
setcolor(1);
outtextxy(x1+12,y1+7,text[j*4+i]);
}
}
x1+=60;
x2+=60;
}
}
}
}
void normalbutton(int x1,int x2,int y1,int y2,char **text)
{
setcolor(15);
rectangle(x1-2,y1-2,x2+1,y2+1);
rectangle(x1-1,y1-1,x2+2,y2+2);
setcolor(7);
rectangle(x1,y1,x2+2,y2+2);
rectangle(x1,y1,x2+1,y2+1);
setfillstyle(SOLID_FILL,14);
bar(x1,y1,x2,y2);
setcolor(1);
outtextxy(x1+12,y1+7,text[k]);
k++;
}
/* initmouse */
initmouse()
{
i.x.ax=0;
int86 (0x33,&i,&o);
return(o.x.ax);
}
hidemouseptr()
{
i.x.ax=2;
int86(0x33,&i,&o);
}
/* displays mouse pointer */
showmouseptr()
{
i.x.ax=1;
int86(0x33,&i,&o);
return 0;
}
/*gets mouse coordinates and button status*/
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;
return 0;
}
/* Move mouse ptr to x,y */
movemouseptr(int *x,int *y)
{
i.x.ax=4;
int86(0x33,&i,&o);
o.x.cx=*x;
o.x.dx=*y;
return 0;
}
addnum(int pass)
{ if(sq)
newnum=1;
if(newnum)
{ if(d)
{
num=pass/(pow(10.0,d));
d++;
newnum=0;
}
else
{ num=pass;
newnum=0;
}
}
else
{
/* if(num==0)
{ if(d)
{
num=num+pass/(pow(10.0,d));
d++;
}
else
num=pass;
}
*/
// else
{ if(d)
{
if(num<0)
num=num-pass/(pow(10.0,d));
else
num=num+pass/(pow(10.0,d));
d++;
}
else
{
num=num*10+pass;
}
}
}
printf("%25.5Lf",num);
}
operation(int opr)
{ long double pnum;
pnum=num;
if(newnum && (prop != 5) && memo)
{
}
else
{ newnum=1;
d=0;
sq=0;
switch(prop)
{
case 1:
accum=accum+pnum;
break;
case 2:
accum=accum-pnum;
break;
case 3:
accum=accum*pnum;
break;
case 4:
accum=accum/pnum;
break;
default:
accum=pnum;
}
}
prop=opr;
num=accum;
printf("%25.5Lf",num);
}
allclear()
{
sq=0;
accum=0;
num=0;
d=0;
newnum=1;
printf("%25.5Lf",num);
}
mem()
{
m=num;
}
recallmem()
{
memo=0;
printf("%25.5Lf",m);
num=m;
}
plusminus()
{ if(num!=0)
{ num*=-1;
printf("%25.5Lf",num);
}
}
plusm()
{
m+=num;
}
minusm()
{
m-=num;
}
clearm()
{
m=0;
}
decimal()
{
if(!d)
{d=1;
if(newnum==1)
{
num=0;
}
printf("%25.5Lf",num);
}
}
square()
{ sq=1;
num*=num;
printf("%25.5Lf",num);
// newnum=1;
}
sqroot()
{ sq=1;
num=pow(num,0.5);
printf("%25.5Lf",num);
// newnum=1;
}
doublezero()
{
if(d)
{
// num=num+pass/(pow(100.0,d));
d++;
d++;
}
else
num*=100;
printf("%25.5Lf",num);
}
clear()
{
num=0;
printf("%25.5Lf",num);
}
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