I need to fix these errors

I made up a small program in my mind.. and I got some errors in the code ... These errors are where I have problems with that once I know how to fix them I will be able to do bigger things

Code:

class healthClubMaintain{

private:
	int takingnumber;	
	
public:
	multip(int);
	printNumber(int);
};


int healthClubMaintain::multip(number)
{
	takingnumber = number;
	takingnumber = takingnumber * 10;
	return takingnumber;
}


void healthClubMaintain::printNumber(number)
{
	cout << "The number before is:" << number <<endl;
	cout << "The number after is:" << takingNumber << endl;
}	



int main(){

int Number;
cout<< "Enter any Number"<<endl;
cin >> number;

multip (number);
printNumber(number);

}

what kind of errors? compiler errors? runtime errors?

post the actual errors also.

Mostly to be compiler errors like this following for this code..

Code:

Warning W8054 workingArea3.cpp 12: Style of function definition is now obsolete
Warning W8054 workingArea3.cpp 20: Style of function definition is now obsolete
Error E2316 workingArea3.cpp 21: 'healthClubMaintain::printNumber(int)' is not a member of 'healthClubMaintain'
Error E2451 workingArea3.cpp 22: Undefined symbol 'cout' in function healthClubMaintain::printNumber(int)
Error E2451 workingArea3.cpp 22: Undefined symbol 'number' in function healthClubMaintain::printNumber(int)
Error E2451 workingArea3.cpp 22: Undefined symbol 'endl' in function healthClubMaintain::printNumber(int)
Error E2451 workingArea3.cpp 23: Undefined symbol 'takingNumber' in function healthClubMaintain::printNumber(int)
Warning W8070 workingArea3.cpp 24: Function should return a value in function healthClubMaintain::printNumber(int)
Error E2451 workingArea3.cpp 31: Undefined symbol 'cout' in function main()
Error E2451 workingArea3.cpp 31: Undefined symbol 'endl' in function main()
Error E2451 workingArea3.cpp 32: Undefined symbol 'cin' in function main()
Error E2451 workingArea3.cpp 32: Undefined symbol 'number' in function main()
Error E2268 workingArea3.cpp 34: Call to undefined function 'multip' in function main()
Error E2268 workingArea3.cpp 35: Call to undefined function 'printNumber' in function main()

Prefix the cout, cin and endl with std:: like 'std::cout' or put using namespace std; at the top of your main.

Also, #include <iostream>

int healthClubMaintain::multip(int number)

void healthClubMaintain::printNumber(int number)

and indent your code.

This is the updated code, but I still have these following errors:

Code:

Error E2451 workingArea3.cpp 24: Undefined symbol 'takingNumber' in function healthClubMaintain::printNumber(int)
Error E2268 workingArea3.cpp 35: Call to undefined function 'multip' in function main()
Error E2268 workingArea3.cpp 36: Call to undefined function 'printNumber' in function main()

Code:

#include <iostream>
using namespace std;

class healthClubMaintain{
	private:
		int takingnumber;	
	public:
		int multip(int);
		void printNumber(int);
};


int healthClubMaintain::multip(int number)
{
	takingnumber = number;
	takingnumber = takingnumber * 10;
	return takingnumber;
}


void healthClubMaintain::printNumber(int number)
{
	cout << "The number before is:" << number <<endl;
	cout << "The number after is:" << takingNumber << endl;
}	



int main(){

	int number;
	cout<< "Enter any Number"<<endl;
	cin >> number;

	multip(number);
	printNumber(number);

}

takingnumber and takingNumber are different
C++ is case sensetive

PS. To call member function - you need to have an object

healthClubMaintain club;
club.multip(number);