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Hi Eike,

> If all or most SVERWEIS/VLOOKUP formulas reference the range
> Code.$B$4:$F$3492 then this may be due to a broadcaster performance
> problem that comes into play when too many formulas listen on identical
> portions of ranges. You may try to rearrange things such that those many
> identical references aren't needed.

this could be true, cause on another cell range (with about 15.000 cells),
i replaced all formulas (written in oo basic) through a vlookup formula ...
but this lead to a performance desaster ...

another two performance question:

is it better:

- - to use NamedRanges instead of direct cell addressing inside formulas ?

  CODERANGE = Code.$B$4:$F$3492
   =WENN(ODER(ISTLEER(E6);E6="");"";SVERWEIS(E6;CODERANGE;2;0))

- - to split calculations, e.g.

  from
   =WENN(ODER(ISTLEER(E6);E6="");"";SVERWEIS(E6;Code.$B$4:$F$3492;2;0))
   =WENN(ODER(ISTLEER(E6);E6="");"";SVERWEIS(E7;Code.$B$4:$F$3492;4;0))
  to
   F6  =ODER(ISTLEER(E6);E6="")
   =WENN(ISTWAHR(F6);"";SVERWEIS(E6;Code.$B$4:$F$3492;2;0))
   =WENN(ISTWAHR(F6);"";SVERWEIS(E7;Code.$B$4:$F$3492;4;0))

  i noticed that this will increase the file size ...

thanks

Oliver


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