# Two

**Two** may refer to any of the following:

1. **Two** is a numerical value represented as "2" that's the second positive number following the zero. On a computer keyboard with a numeric keypad, there are two 2's. One on the top row of numbers and the other 2 on the keypad.

## What symbol is on the 2 key?

On U.S. keyboards, the 2 key is on the same key has the at sign (@).

## Other computer terms with "two" in them

The following list is other computer-related terms with the word "two" in them.

- Two-dimensional
- Two-factor authentication
- Two-headed arrow
- Two-in-one
- Two's complement
- Two-step verification

For computer terms that start with the number 2, see our computer number terms.

In ASCII, the numerical value of "2" is "050" in decimal (00110010 in binary). To count to "2" in binary it would be 00000010.

2. The number **2** is also with the `Command`+`2` and `Ctrl`+`2` keyboard shortcuts.

3. The number **2** is used as chat slang to say "to," "too," or "two."