union {
		double number;
		long long inumber;
		char bytes[sizeof(double)];
	};
	number = 0;
	char sign3 = 1;
	int dotPos2 = -1;
	string doubleEnter = "";
	system("cls");
	cout << "DOUBLE " << numberSystem << " system\n";
	printAlphabet(numberSystem);
	cout << "Enter number: ";
	fractionalNumberEnter(doubleEnter, numberSystem, sign3, dotPos2);
	if (dotPos2 != -1) {
		for (int i = 0; i < dotPos2; i++) {
			if (doubleEnter[i] - '0' < 10)
				number += (doubleEnter[i] - '0') * degree(dotPos2 - i - 1, numberSystem);
			else {
				if (doubleEnter[i] <= 'Z') {
					number += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos2 - i - 1, numberSystem);
				}
				else {
					number += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and 10*/) * degree(dotPos2 - i - 1, numberSystem);
				}
			}
		}
		for (int i = dotPos2 + 1; i < doubleEnter.length(); i++) {
			if (doubleEnter[i] - '0' < 10)
				number += (doubleEnter[i] - '0') * degree(dotPos2 - i, numberSystem);
			else {
				if (doubleEnter[i] <= 'Z') {
					number += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos2 - i, numberSystem);
				}
				else {
					number += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and number 10*/) * degree(dotPos2 - i, numberSystem);
				}
			}
		}
	}
	else {
		for (int i = 0; i < doubleEnter.length(); i++) {
			if (doubleEnter[i] - '0' < 10) {
				number += (doubleEnter[i] - '0') * degree(doubleEnter.length() - i - 1, numberSystem);
			}
			else {
				if (doubleEnter[i] <= 'Z') {
					number += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(doubleEnter.length() - i - 1, numberSystem);
				}
				else {
					number += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character A and number 10*/) * degree(doubleEnter.length() - i - 1, numberSystem);
				}
			}
		}
	}
	number *= sign3;
	cout << "\ndecimal notation: " << fixed << number << endl;
	long long temperal;
	temperal = inumber;
	cout << "binary notation: ";
	bit_print(bytes, sizeof(double), hConsole);
	cout << endl;
	cout << "Dou you want to change some bits?\n[y] - yes\n[n] - no";
	char c;
	c = 0;
	do {
		c = _getch();
	} while (c != 'y' && c != 'n');
	cout << endl;
	if (c == 'y') {
		bitChange(temperal, hConsole);
		inumber = temperal;
		cout << "changed demical notation: " << number << endl;
		cout << "changed binary notation: ";
		bit_print(bytes, sizeof(double), hConsole);
		cout << endl;
	}
	cout << "Press ESC to exit...";
	char exitcode;
	do {
		exitcode = _getch();
	} while (exitcode != 27);
	system("cls");