# Definitions for **octal**ˈɒk tl

### This page provides all possible meanings and translations of the word **octal**

### Random House Webster's College Dictionary

oc•talˈɒk tl(adj.)

of or pertaining to a number system with base 8, employing the numerals 0 through 7.

**Category:**Computers, Math

#### Origin of **octal**:

1935–40; < L oct(ō) or Gk okt(ṓ) eight+ -al1

### Princeton's WordNet

octal(adj)

of or pertaining to a number system having 8 as its base

"an octal digit"

### Wiktionary

octal(Noun)

The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

octal(Adjective)

Concerning numbers expressed in octal or mathematical calculations performed using octal.

### Freebase

Octal

The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. Octal numerals can be made from binary numerals by grouping consecutive binary digits into groups of three. For example, the binary representation for decimal 74 is 1001010, which can be grouped into 1 001 010 – so the octal representation is 112. In the decimal system each decimal place is a power of ten. For example: In the octal system each place is a power of eight. For example: By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal.

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"octal." *Definitions.net.* STANDS4 LLC, 2014. Web. 23 Oct. 2014. <http://www.definitions.net/definition/octal>.