0 Old HSK word(s):


Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.


Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Signumfunktion, Vorzeichenfunktion (sgn) (S, Math) [fu2 hao4 han2 shu4] 符号函数