1. Adjective. Of or pertaining to a number system having 16 as its base.

1. Noun. (context: arithmetic computing) A number system with base 16, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, useful in computing as a hexadecimal digit can represent four bits, half a standard byte. Informal short form used in computing: '''hex''' ¹

¹ Source: wiktionary.com

1. [n -S]

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Below you will find example usage of this term as found in modern and/or classical literature:

1. Defend Your Data!: Guide to Data Recovery by David J. Stang (1991)
"1. Multiply each binary digit by its place holder value. j Add these products. From hexadecimal to Decimal Decimal is base 10, using the digits 0 through 9. ..."

2. Moving and Accessing SAS(R) 9.1 Files by Institute SAS Institute (2004)
"Reading Transport File as hexadecimal Data You can use ISPF to browse a transport file that has a hexadecimal format. Alternatively, you can use the ..."

3. SAS 9.1 National Language Support (Nls): User's Guide by SAS Institute, Institute SAS Institute (2004)
"0 At byte 13, decimal 200 (which is hexadecimal C8) replaces hexadecimal OC. 0 At byte 14, character ‘x' (which is hexadecimal 78) replaces hexadecimal OD. ..."

4. SAS(R) 9.1.3 Language Reference:: Dictionary, Fifth Edition, Volumes 1-4 by SAS Institute (2006)
"Informat Converts hexadecimal data to character data Category: Character See: ... Syntax Description w specifies the number of digits of hexadecimal data. ..."

5. SAS/GRAPH 9.1 Reference by SAS Institute (2004)
"In this case, you can mix the formats, specifying some as ASCII hexadecimal strings and some as character strings. Multiple strings are concatenated ..."

6. SAS(R) 9.1 Companion for OpenVMS Alpha by Sas Institute, Institute SAS Institute (2004)
"Details Each byte requires two columns to represent the corresponding hexadecimal digits. Under OpenVMS, the hexadecimal format of the number is stored in ..."

7. Base SAS(R) 9.1.3 Procedures Guide, Second Edition, Volumes 1-4 by Sas Institute (2006)
"If you use hexadecimal characters, then you must put an x after the closing ... For instance, the following option assigns the hexadecimal character 2D to ..."