#include <iostream> #define PLUS 0x2b#define SUBT 0x2d#define MULT 0x2a#define DIVI 0x2f#ifndef TRUE#define TRUE 1#endif#ifndef FALSE#define FALSE 0#endifint main(){	using namespace std;		int input1, input2, oper;	char quit;	int done;	float answer;		do	{		cout << "Welcome to Steve Levesque's Calculator!!! ";		cout << "\n Please enter the first number.";		cin >> input1;				cout << "\nNow enter the sign for the problem(+,-,*,/)";		cin >> oper;		cout << "\n Please enter the second number to the equation ";		cin >> input2;				switch (oper)		{	//  This will clear up about 12 of your 15 errors			//										..you must place '<<' between expressions			case PLUS:				cout << "Your answer is " << (input1 + input2) << "\n";				break;	// be sure to break between cases, otherwise every case is							// executed until a break is encountered.  Your first break							// was at division.			case SUBT:				cout << "Your answer is " << (input1 - input2) << "\n";				break;			case MULT:				cout << "Your answer is " << (input1 * input2) << "\n";				break;			case DIVI:				cout << "Your answer is " << (input1 / input2) << "\n";				break;			default:				cout << " Unknown operation.\n ";				break;		}				cout << "\n\n";		cout << "Do you want to quit(y or n)\n ";		cin >> quit;				// When your checking a value for equal the symbol is:   		==  (ie: 1 == 1; )		// WHen your assigning a value to a variable the symbol is:		=   (ie: var = 1;)				if(quit=='y' || quit == 'Y' )			done = FALSE;	// done == FALSE		if(quit=='n' || quit == 'N' )			done = TRUE;	// done == TRUE	while( !done );// <-- this is the not symbol '!', as in NOT DONE. if done == 1  one notted equals zero.						// remember, any non-zero value will equate to true.  Zero is false.}