• signum
• signums
• signum manus
• signum function
• signum functions

signum (suomeksi)

Määritelmät:

• A sign, mark, or symbol.
• (lb, en, historical) A medieval tower bell used particularly for ringing the 8 canonical hours.:s:Encyclopædia Britannica, Ninth Edition, ''Encyclopædia Britannica'', 9th ed., ":s:Encyclopædia Britannica, Ninth Edition/Bell, Bell".''Encyclopaedic Dictionary of Music'', Vol. 2, [https://books.google.co.jp/books?id=Yy6jaxVwSg8C&pg=PA452 p. 452].
• (lb, en, math) A function that extracts the sign of a real number ''x'', yielding -1 if ''x'' is negative, +1 if ''x'' is positive, or 0 if ''x'' is zero.