Asterism ⁂
(Unicode character U+2042
and HTML symbol ⁂
as well as Alt + 8258
on Windows)
Used to 'indicate minor breaks in text,' call attention to a passage, or to separate sub-chapters in a book.
Currency Symbol ¤
(Unicode character U+00A4
and HTML symbol ¤
or ¤
as well as Alt + 0164
on Windows)
Used to denote a currency when the symbol for the particular currency is unavailable.
Interrobang ‽
(Unicode character U+203D
and HTML symbol ‽
as well as Alt + 8253
on Windows)
Used in various written languages and intended to combine the functions of the question mark … and the exclamation mark.
Sound Recording Copyright Symbol ℗
(Unicode character U+2117
and HTML symbol ℗
)
The copyright symbol used to provide notice of copyright in a sound recording (phonogram) embodied in a phonorecord (LPs, audiotapes, cassettes, compact discs, etc.)
Commercial Minus Sign ⁒
(Unicode character U+2052
and HTML symbol ⁒
)
The commercial minus sign was and is widely used in bookkeeping to indicate a minus sign. On typewriters a ./.
was written instead.
to be continued … ;)