[giac] removed some op for conversion to ggb (x,y)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24450 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3105: new latex syntax for MathQuill in AlgoTableText; safe for Desktop, untested in Web (because of CanvasMath and time)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24451 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
spreadsheet cell format fix (test)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24452 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e