Missing Express filter VI in labVIEW 2009

[Satti512]

Hello community members,
I am a labVIEW beginner and using labVIEW 2009. Express Filter VI and some other VI's  are  missing. do i need to install an additional toolkit to use these functions?
your cooperation will be appreciated

[DimasGimeno]

Hi,

I think you may be missing the Signal Processing Tolkit for LabVIEW.