# Binary

Pronunciation: /ˈbaɪ.nɛ.ri/ Explain

The word binary has as its root the word bi which means '2'. Some other words which use the root bi are bicycle (two wheels), biannually (every two years), and bilateral (two sided).

A binary set is a set that contains exactly two members. One example of a binary set is the set of truth values: { true, false }. Another example of a binary set is the digits for binary numbers (base 2 numbers): {0, 1}.

### Binary Operator

OperatorExample
+3 + 2 = 5
--1 - 2 = -3
×4 × 7 = 28
÷8 ÷ 2 = 4
Table 1

A binary operator is an operator that takes two operands as arguments. Table 1 contains examples of binary operators.

1. McAdams, David E.. All Math Words Dictionary, binary. 2nd Classroom edition 20150108-4799968. pg 26. Life is a Story Problem LLC. January 8, 2015. Buy the book

• McAdams, David E.. Bi. allmathwords.org. All Math Words Encyclopedia. Life is a Story Problem LLC. 6/22/2018. http://www.allmathwords.org/en/b/bi.html.

McAdams, David E. Binary. 4/12/2019. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/b/binary.html.

### Revision History

4/12/2019: Changed equations and expressions to new format. (McAdams, David E.)
12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
8/7/2018: Changed vocabulary links to WORDLINK format. (McAdams, David E.)
6/22/2018: Removed broken links, updated license, implemented new markup. (McAdams, David E.)