0-0 or O-O may refer to:
*
Emoticon
An emoticon (, , rarely , ), short for "emotion icon", also known simply as an emote, is a pictorial representation of a facial expression using characters—usually punctuation marks, numbers, and letters—to express a person's feelings, ...
for a person who wears glasses
* An informal instruction to watch the
conductor of an orchestra, seen in orchestral parts
* Kingside
castling in chess notation
*
Nothing from Nothing (disambiguation) " Nothing from Nothing" is a 1974 Billy Preston song.
Nothing from Nothing may also refer to:
* Nothing from Nothing (EP), by Ayumi Hamasaki
* ''Nothing from Nothing'', a digital album by Watchtower
A watchtower or watch tower is a type of fo ...
, songs
*''
Object Oriented Programming
Object-oriented programming (OOP) is a programming paradigm based on the concept of " objects", which can contain data and code. The data is in the form of fields (often known as attributes or ''properties''), and the code is in the form of p ...
'', a style of modern computer programming
See also
*
00 (disambiguation)
00, a double zero, may refer to:
* '' '00'', album by the alternative rock band Judybats, released in 2000
*The year 1900
* The year 2000
*The year 2100
* 00 Agent, an agent with a license to kill in the ''James Bond'' media
* 00 gauge, a stand ...
*
Division by zero
In mathematics, division by zero is division where the divisor (denominator) is zero. Such a division can be formally expressed as \tfrac, where is the dividend (numerator). In ordinary arithmetic, the expression has no meaning, as there is ...
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