Ron,
another statistical package I know (and used in the past) is SAS
I have a friend who just graduated with a statistics degree and SPSS and SAS are indeed very widly spread

Arnon

>Carl:
>
>Thanks so much for the help! It is much appreciated!
>
>Sincerely,
>
>Ron Ernest
>
>
>>Also, while I'm on a roll, you might look at a package that my Stats professor mentioned- SPSS.
>>
>>At their web site http://www.spss.com/software/spss/devpg.htm, they have an area that states the following "Other resources include the Input/Output DLL (Dynamic Linked Library) to read and write SPSS data files."
>>
>>I have no idea of its cost, but it is a well-respected package in the statistics arena.