Easy Calculator in c++

A decent calculator by Anirudh Sanyal that performs all the arithmetical operations of a normal calculator. Can be used to study various basic coding concepts by beginners. Provides addition subtraction multiplication and division functionality in C++.

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