Octal
- Octal is a numeral system with base 8, similar to binary and hexadecimal.
- It is used in computing, digital displays, programming languages, and aviation.
- Octal numbers are represented using a variety of prefixes and symbols.
- Octal representation is handy for non-ASCII bytes in UTF-8 and floating point numbers in some computers.
- Conversion between bases includes methods of successive Euclidean division by 8, multiplication by 8, and successive duplication.
- Octal to binary, binary to octal, and hexadecimal to octal conversions are performed using intermediate binary bases.
- Octal fractions often have repeating digits, and irrational numbers have expansions in decimal and octal.
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