U+2499 NUMBER EIGHTEEN FULL STOP

The Unicode character U+2499, officially named NUMBER EIGHTEEN FULL STOP, was introduced in Unicode version 1.1. It is part of the Enclosed Alphanum block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as NUMBER EIGHTEEN PERIOD.

Categorized technically as a Other Number, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is a compatibility composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an European Number character. Its visual representation remains not mirrored regardless of the reading direction.