In [[telecommunication]], the term '''binary notation''' has the following meanings:
<b>1.</b> Any notation that uses two different characters, usually the digits 0 and 1.
<i>Note:</i> [[Data]] encoded in [[binary_and_text_files|binary]] notation need not be in the form of a pure binary numeration [[system]]; <i>e.g.,</i> they may be represented by a [[Gray code]].
<b>2.</b> A scheme for representing numbers, which scheme is characterized by the arrangements of digits in [[sequence]], with the understanding that successive digits are interpreted as coefficients of successive powers of base 2.
Source: from [[Federal Standard 1037C]] and from [[MIL-STD-188]]
