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  1. #1
    hussain king is offline Senior Member+
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    Thumbs up calculator in c++

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    /* prepared by : HILAL AHMAD HUSSAIN (STUDENT: SOFTWERE ENGINEERING)
    */
    #include<iostream>
    #include<conio.h>
    int add(int a,int b);
    int sub(int a,int b);
    int mul(int a,int b);
    int div(int a,int b);
    using namespace std;
    int main()
    {
    int m,n;
    xy:
    cout<<endl;
    cout<<"___________________________________________ __________________________"<<endl;
    cout<<"please enter your first number=";
    cin>>m;
    cout<<endl;
    cout<<"please enter your 2nd number=";
    cin>>n;
    cout<<endl;
    cout<<"1: for addition"<<endl;
    cout<<"2: for substriction"<<endl;
    cout<<"3: for multifaction "<<endl;
    cout<<"4: for division"<<endl;
    cout<<"please enter your option do you want to operation----";
    char op;
    cin>>op;
    switch(op)
    {
    if(op=='1')
    {
    case '1':
    add( m, n);
    break;
    }
    else{
    cout<<"dear your enter invilid option please corrent option enter try again"<<endl;
    }
    if(op=='2')
    {
    case '2':
    sub( m, n);
    break;
    }
    else{
    cout<<"dear your enter invilid option please corrent option enter try again"<<endl;
    }
    if(op=='3')
    {
    case '3':
    mul(m, n);
    break;
    }
    else{
    cout<<"dear your enter invilid option please corrent option enter try again"<<endl;
    }
    if(op=='4')
    {
    case'4':
    div( m, n);

    }else{
    cout<<"dear your enter invilid option please corrent option enter try again"<<endl;

    }
    default:
    cout<<"invilid option----";
    }
    goto xy;
    }
    int add(int a,int b)
    {
    cout<<"--------------------------------"<<endl;
    cout<<"the addition of a and b ="<<a+b<<endl;
    cout<<"--------------------------------"<<endl;
    cout<<endl;

    }
    int mul(int a, int b)
    {
    cout<<"--------------------------------"<<endl;
    cout<<"the multifaction of a and b="<<a*b<<endl;
    cout<<"--------------------------------"<<endl;
    cout<<endl;

    }
    int sub(int a,int b)
    {
    cout<<"--------------------------------"<<endl;
    cout<<"the substraction of a and b="<<a-b<<endl;
    cout<<"--------------------------------"<<endl;
    cout<<endl;
    }
    int div(int a,int b)
    {
    if(b==0)
    {
    cout<<"--------------------------------"<<endl;
    cout<<"a is not divide by zero"<<endl;
    cout<<"--------------------------------"<<endl;
    }
    else
    {
    cout<<"--------------------------------"<<endl;
    cout<<"the division of a and b="<<a/b<<endl;
    }

    cout<<endl;

    }




    dear no error see result again
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    Last edited by hussain king; 30th March 2018 at 09:12 PM.

  2. #2
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    ٹھیک ہے جناب ضرور اس کو بھی ٹرائی کریں گے

    ابھی تک پروگرام پڑھ کر سمجھنا کچھ کچھ آگیا ہے کہ کیا کیا کام ہو رہا ہے اور کس طرح
    جب آغاز کریں گے تو ضرور ٖضرور آپ کا دماغ کھائیں گے
    بہت شکریہ

  3. #3
    Y.Muhammad is offline Junior Member
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    super hit

  4. #4
    Y.Muhammad is offline Junior Member
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    4:19: fatal error: conio.h: No such file or directory
    compilation terminated.
    yaha problem dy raha hy Bahi#hussain King

  5. #5
    hussain king is offline Senior Member+
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    Webhosting in Pakistan
    dear friends conio.h ma koye problem nahe ha ap konsa compiler use karte ha dev 5.11 version install karo c drive ma per daklo

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