did you mean SYS(2007)...

nCRC=SYS(2007,"129000006137",0,1)

MartinaJ

>Hi All
>
>i have not used crc32 before and am trying to run the follow code
>
>nCRC=SYS(2017,"129000006137",,1)
>
>
>I get a function value , argument,type count invalid error message
>
>Can anybody point me in the right direction
>
>Thanks
>
>Brian O Donovan