public static String getSymbolLabel(Integer symbol)
	{
		if(symbol == SymbolTable.PLUS)
			return "+";
		else if(symbol == SymbolTable.MINUS)
			return "-";
		else if(symbol == SymbolTable.MULT)
			return "*";
		else if(symbol == SymbolTable.DIV)
			return "/";
		else if(symbol == SymbolTable.OPENP)
			return "(";
		else if(symbol == SymbolTable.CLOSEP)
			return ")";
		else if(symbol == SymbolTable.NUMBER)
			return "NUMBER";
		else
			return "";
	}