Roman Numeral One Hundred Thousand at U+2188 denotes the historic Roman-numeral sign for 100,000, encoded as a single printable character in the Number Forms block. It is not a letter or punctuation mark, but a specialized numeric symbol for representing a large Roman value without spelling it out through ordinary Latin characters. Its main use is in scholarly, epigraphic, and typographic work dealing with Roman numerals beyond the familiar I, V, X, L, C, D, and M. Editors of inscriptions, numismatic catalogs, or reference tables may use ↈ when transcribing or discussing ancient and medieval numeral notation where special signs stood for high values. In modern documents, the character is uncommon because large Roman numerals are usually written with overlines, parentheses, or repeated M notation depending on the style guide. It is most appropriate when preserving a source that specifically uses this encoded Number Forms character, or when a chart needs the value 100,000 as a distinct Roman numeral sign. Font coverage is less reliable than for ordinary Roman numeral letters, and it can be mistaken for a decorative or archaic symbol by readers unfamiliar with extended Roman notation.