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Displaying  Source Code(s)  
 

 
Derrick Ward's Calculator

--------------------------------------------------------------------------------

Description : A DIVISION,MULTIPLICATION,ADDING,SUBTRACTING CALCULATOR PROGRAM.

#include<iostream>
#include<string>
using namespace std;
float mult(float num1,float num2);
float add(float num1,float num2);
float sub(float num1,float num2);
float divide(float num2,float num2);
int main()
{
int choice;
float num1,num2;
cout<<"---------------------------------------------"<<endl;
cout<<"---------------------------------------------"<<endl;
cout<<" ---------Derrick's CALCULATOR!!!!!-----"<<endl;
cout<<"---------------------------------------------"<<endl;
cout<<"---------------------------------------------"<<endl;
cout<<" Make a selction:"<<endl;
cout<<" 1.Division"<<endl;
cout<<" 2.Adding"<<endl;
cout<<" 3.Subtraction"<<endl;
cout<<" 4.multiplication"<<endl;
cout<<"
YOUR CHIOCE IS: ";
cin>>choice;
switch(choice){
case 1:
cout<<"Please enter the two numbers you want to
divide, divisor first!: ";
cin>>num1>> num2;
cin.ignore();

cout<<"<BR><<num1<<"/"<<num2<<"="<<divide(num1,num2)<<endl;
break;
case 2:
cout<<"Please enter the two numbers
you
want to add: ";
cin>>num1>> num2;
cin.ignore();

cout<<"<BR><<num1<<"+"<<num2<<"="<<add(num1,num2)<<endl;
break;
case 3:
cout<<"Please enter
the
two numbers you want to subtract, The number you want to subtract from
first!: ";
cin>>num1>> num2;
cin.ignore();

cout<<"<BR><<num1<<"-"<<num2<<"="<<sub(num1,num2)<<endl;
break;
case 4:

cout<<"Please
enter the two numbers you want to multiply: ";

cin>>num1>>
num2;

cin.ignore();

cout<<"<BR><<num1<<"*"<<num2<<"="<<mult(num1,num2)<<endl;
break;

default:

cout<<"Invalid Entry!, BYE!!!"<<endl;

cin.ignore();

break;

}
cin.ignore();
return 0;
}
float mult(float num1,float num2){
return (num1*num2);
}
float add(float num1,float num2){
return (num1+num2);
}
float sub(float num1,float num2){
return (num1-num2);
}
float divide(float num1,float num2){
return (num1/num2);
}

 

 

 

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