Thread: college needs help again...ya diggg

Does anyone see whats wrong with the code

Hey im back everyone
Really need some help or rather some hints
Last time i was stressing over something that was very simple .

Everyone on the site seems so nice and im loving it.

Need help ...i need help please pretty please

Code:

#include<iostream>
using namespace std;

int main(void)
{
    system("TITLE Calculator")

    char cChar;
    double dfirstnumber;
    double dsecondnumber;
    char cDoagain;
    
do
(
    system("CLS");
    cout <<"please enter the first number you would like to use"
        << endl;
    cin >> dfirstnumber;
    cout << " please enter the operation that you would liek to complete"
      << " (+,-,* or /)" << endl;
    cin >> cChar;
    
    cout << " please enter the second number you would like to use"
        << endl;
        
    switch (cChar)
    (
    case "+":
        cout << " The answer is " << dfirstnumber << " + " <<
                dsecondnumber << " * " << (dfirstnumber + dsecondnumber) << endl;
        break;        
    case "-"
        cout << " The answer is " << dfirstnumber <<  "-" <<
                dsecondnumber << " * " << (dfirstnumber - dsecondnumber) << endl;
         break;       
    case "*":
        cout << " The answer is " << dfirstnumber << " * " <<
                dsecondnumber << " * " << (dfirstnumber * dsecondnumber) << endl;
        break;
    case "x":
        cout << " The answer is " << dfirstnumber << " x " <<
                dsecondnumber << " * " << (dfirstnumber * dsecondnumber) << endl;
        break;        
    case "X":
        cout << " The answer is " << dfirstnumber << " X " <<
                dsecondnumber << " * " << (dfirstnumber = dsecondnumber) << endl;
         break;
    
    case "/":
        if (dsecondnumber==0)(
            cout << " That is an invalid operation" << endl;
            )else (
        cout << " The answer is " << dfirstnumber << " / " <<
                dsecondnumber << " * " << (dfirstnumber / dsecondnumber) <, endl;
                )
                break ;
                
    default:
       cout << " That is an invalid operation" << endl;
       break;
       (
       
       cout << " Would you like to statr again ? ( y or n ) "
       << endl
       cin >> cDoagain;
       )while( cDoagain == " Y " || cdoagain ==  "y");
       system (" PAUSE")
       return 0;
       }