Looks as if the format exceeds Excel 2003's function nesting limit.
--
David Biddulph

"smartin" wrote in message
...
Mark Main wrote:

=IF(ROUND(ABS(A1)*16,0)=ABS(A1)*16,"","~") & IF(OR(A10,ROUND(ABS(A1)
*16,0)=0),"","(") & TRIM(IF(INT(ROUND(ABS(A1)*16,0)/(12*16))=0,"",INT
(ROUND(ABS(A1)*16,0)/(12*16))&"' ") & IF(AND(ROUND(ABS(A1)*16,0)<0,MOD
(ROUND(ABS(A1)*16,0),(12*16))=0),"",TRIM(IF(AND(RO UND(ABS(A1)*16,0)
<0,INT(MOD(INT(

'Excel 2003 flags error here ):
ROUND

(ABS(A1)*16,0)),(12*16))/16)=0),"",INT(MOD(INT
(ROUND(ABS(A1)*16,0)),(12*16))/16)&IF(MOD(INT(ROUND(ABS(A1)*16,0)),16)
=0,"","-")) & IF(MOD(INT(ROUND(ABS(A1)*16,0)),16)=0,"",TRIM(TEXT (MOD
(INT(ROUND(ABS(A1)*16,0)),(16))/16,"??/??"))) &""""))) & IF(OR
(A10,ROUND(ABS(A1)*16,0)=0),"",")")