Users can access Statistica e-manual from various places in Statistica application. 

1. Go to Statistica menu "File > Help/Support > Help". It will direct the user to the Statistica e-manual where user can search for topics/parameters of interest. 

Under "Statistica menu "File > Help/Support", there is also button "Electronic Stats Textbook" which will direct user to Tibco resources on various Data Science topics.

2. In Statistica window, there is an icon of a book with "?" on it on the top right corner of the main menu bar.
Click on that book icon to direct to Statistica e-manual. User can then search for topics/parameters of interest. 

3. When doing analysis in Statistica, there is a "?" on top right corner of the analysis dialogs.
You can click on that "?" to direct you to the Statistica e-manual for explanations/information of the various parameters and options available in the analysis dialogs. 

This is commonly used and a fast way to get information on the parameters and options available in the analysis dialogs.