#include<iostream.h>
#include<conio.h>
#include<math.h>
void main()
{
long
double x,y;
char
ch,ar;
do
{
clrscr();
cout<<"
*WELCOME
TO NANU'S CALCULATOR*
";
cout<<"
This is a Calculator containing the following functions
Addition
Subtraction
Multiplication
Division
Percentage
Power
";
cout<<"
Type
[+] for Addition
[-] for Subtraction
[*] for
Multiplication
[/] for Division
[%] for Percentage
[^] for
Power
";
cout<<"
Enter Function To use =
";
cin>>ch;
cout<<(char)7;
cout<<endl;
//For
Addition
if(ch=='+')
{
clrscr();
cout<<"
You are using Addition
";
cout<<"
Enter First Number= ";
cin>>x;
cout<<"
Enter Second Number= ";
cin>>y;
cout<<"
Your answer is ";
cout<<x+y;
cout<<(char)7;
}
// For
Subtraction
if(ch=='-')
{
clrscr();
cout<<"
You are using Subtraction
";
cout<<"
Enter First Number= ";
cin>>x;
cout<<"
Enter Second Number= ";
cin>>y;
cout<<"
Your answer is ";
cout<<x-y;
cout<<(char)7;
}
// For
Multiplication
if(ch=='*')
{
clrscr();
cout<<"
You are using Multiplication
";
cout<<"
Enter First Number= ";
cin>>x;
cout<<"
Enter Second Number= ";
cin>>y;
cout<<"
Your answer is ";
cout<<x*y;
cout<<(char)7;
}
// For Division
if(ch=='/')
{
clrscr();
cout<<"
You are using Division
";
cout<<"
Enter First Number= ";
cin>>x;
cout<<"
Enter Second Number= ";
cin>>y;
cout<<"
Your answer is ";
cout<<x/y;
cout<<(char)7;
}
//
For Percentage
if(ch=='%')
{
clrscr();
cout<<"
You are using Percentage
";
cout<<"
Enter Number= ";
cin>>x;
cout<<"
Enter Percentage= ";
cin>>y;
cout<<"
Your answer is ";
cout<<y/100*x;
cout<<(char)7;
}
//For
Power
if(ch=='^')
{
clrscr();
cout<<"
You are using Power
";
cout<<"
Enter Number= ";
cin>>x;
cout<<"
Enter Power= ";
cin>>y;
cout<<"
Your answer is ";
cout<<pow(x,y);
cout<<(char)7;
}
cout<<endl;
cout<<"
Do you want to continue..Y/N?";
cin>>ar;
}
while(ar=='Y'||
ar=='y');
if(ar=='N'
|| ar=='n')
{
cout<<"
Thankyou for using this Calculator.Good Bye.
";
cout<<"
Press any key to exit.......";
}
getch();
cout<<(char)7;
}
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