I started using AutoCAD at R10 for DOS where keystrokes were the norm, and too be honest I still use keystrokes today in AutoCAD and Inventor to help me get done what I need to quickly.
The Autodesk Inventor Wiki has a list of the keyboard shortcuts but I thought I would update and share with you a printable version of the list of frequently used keyboard shortcuts in Autodesk Inventor:
The download is a 243Kb Adobe PDF document which will require the Adobe Acrobat Reader installed to view and print.
You might also be interested in a recent post by 3ds Max super-hero Jamie Gwilliam on his blog Jamie's Jewels where he has made available a printable guide of the 3ds Max keyboard shortcuts:



