Unicode hex values in LibreOffice on Debian Linux

Unicode hexadecimal values or hex values were very useful for inputting hard-to-type characters.

In LibreOffice Calc, I used this formula:

=UNICHAR(HEX2DEC(A2))

To get the Unicode hex value of a character, I used:

=DEC2HEX(UNICODE(B2))






Related:
Type special characters in LibreOffice (using Unicode)
http://mindmapapp.blogspot.com/2011/12/type-special-characters-in-libreoffice.html