This folder (Scripting Extension) includes the following files and folders: Script: the source code in Common Lisp for the scripting extension to ACT-R 4.0. This code should compile without problems under all Common Lisp implementations and all platforms. Load Script: the code compiled for MCL 4.2, ready to load. Manual: the manual in MS Word 98. NOT a tutorial. Release Notes (2.1): the changes between release 2.0 and 2.1. Summer School Examples: examples of the use of the scripting extension for summer school units 3 to 8, demos and solutions. Script Summer School Examples: same as above using the Script macro. See section 4 of the manual for details. Send feedback to Dan Bothell at db30@andrew.cmu.edu .