Autocad 2006 |link| -

: The update improved the integration of data, allowing for smarter AutoCAD table objects that could perform basic calculations and link to Excel data.

You could not attach a PDF as an underlay (that came in 2010). Point cloud data (from laser scanning) was not supported. For users receiving modern PDFs, you'd have to convert to DWF or raster images. autocad 2006

Users can edit multiline text directly within the drawing rather than in a separate dialog box. Customizable User Interface (CUI): : The update improved the integration of data,

Multifunctional grips allowed you to stretch, move, rotate, scale, and mirror without typing commands. You could select an object, click a grip, and hit the spacebar to cycle through commands. For users receiving modern PDFs, you'd have to

The headline feature of AutoCAD 2006 was (DYN). Before 2006, users had to look at the command line at the bottom of the screen to see coordinates and distances. With Dynamic Input, tooltips appeared directly at the cursor’s crosshairs.