These names of variables correspond to German function names in Calc and were
translated to their English equivalents. For used translations, see, e.g.,
https://translations.documentfoundation.org/de/libo54_help/translate/#search=RMZ&sfields=target&soptions=exact,case

Note: The translation here is equal to the translation of variables done
on https://gerrit.libreoffice.org/43078 , etc.

Change-Id: I1010a3ddf58a0d32e97bfb55090dc7aacc0b91b7
Reviewed-on: https://gerrit.libreoffice.org/43692Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Eike Rathke <erack@redhat.com>