Just contact with them and ask if you can buy it. As far as I know, they already have a few customers.
>I saw it, but they only offers the help file ...
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http://www.dfarber.com/QE/QE_HELP.chm>Query Engine Background.
Vlad Grynchyshyn, Project Manager, MCP
vgryn@yahoo.comICQ #10709245
The professional level of programmer could be determined by level of stupidity of his/her bugs
It is not appropriate to say that question is "foolish". There could be only foolish answers. Everybody passed period of time when knows nothing about something.