C++ Program for Addition Subtraction Multiplication using function

By | 27.12.2016

Addition Subtraction Multiplication


Write a C++ Program for Addition Subtraction Multiplication using function. Here’s simple C++ Program for Addition Subtraction Multiplication using function in C++ Programming Language.


What are Functions ?


Function is a block of statements that performs some operations. All C++ programs have at least one function – function called “main()”. This function is entry-point of your program.

A function declaration tells the compiler about a function’s name, return type, and parameters. A function definition provides the actual body of the function.


Defining a Function : :


The general form of a C++ function definition is as follows:

return_type Function_Name( list of parameters )
{
//function’s body
}

  • return_type : suggests what the function will return. It can be void, int, char, some pointer or even a class object.
  • Function_Name : is the name of the function, using the function name it is called.
  • Parameters : are variables to hold values of arguments passed while function is called. A function may or may not contain parameter list.
  • Function body : is he part where the code statements are written.

Below is the source code for C++ Program for Addition Subtraction Multiplication using function which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C++ Program for Addition Subtraction Multiplication using function */

#include<iostream>
using namespace std;

int sum(int,int);
int sub(int,int);
int mul(int,int);

int res=0;

int main()
{
    int a,b,m,su,s;
    cout<<"\nEnter 1st number :: ";
    cin>>a;
    cout<<"\nEnter 2nd number :: ";
    cin>>b;

    s=sum(a,b);
    su=sub(a,b);
    m=mul(a,b);

    cout<<"\nAddition of two Numbers [ "<<a<<" + "<<b<<" ] = "<<s<<"\n";
    cout<<"\nSubtraction of two Numbers [ "<<a<<" - "<<b<<" ] = "<<su<<"\n";
    cout<<"\nMultiplication of two Numbers [ "<<a<<" * "<<b<<" ] = "<<m<<"\n";

    return 0;
}

sum(int a,int b)
{
    res=a+b;
    return(res);
}

sub(int a,int b)
{
    res=a-b;
    return(res);
}

mul(int a,int b)
{
    res=a*b;
    return(res);
}

OUTPUT : :


/*  C++ Program for Addition Subtraction Multiplication using function */

Enter 1st number :: 7

Enter 2nd number :: 3

Addition of two Numbers [ 7 + 3 ] = 10

Subtraction of two Numbers [ 7 - 3 ] = 4

Multiplication of two Numbers [ 7 * 3 ] = 21

Process returned 0

Above is the source code for C++ Program for Addition Subtraction Multiplication using function which is successfully compiled and run on Windows System.The Output of the program is shown above .

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About Tunde A

My name is Tunde Ajetomobi, a Tech Enthusiast and Growth Hacker. I enjoy creating helpful content that solves problem across different topics. Codezclub is my way of helping young aspiring programmers and students to hone their skills and find solutions on fundamental programming languages.

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Gary Holveck

This was the g++ compiler response:
CodezMathFuncs.cpp:31:16: error: ISO C++ forbids declaration of ‘sum’ with no type [-fpermissive]
sum(int a,int b)
^
CodezMathFuncs.cpp:37:16: error: ISO C++ forbids declaration of ‘sub’ with no type [-fpermissive]
sub(int a,int b)
^
CodezMathFuncs.cpp:43:16: error: ISO C++ forbids declaration of ‘mul’ with no type [-fpermissive]
mul(int a,int b)
^
..,didn’t work on my Linux Mint.

Taman

Please correct this error

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