Free tutorials for expert systems are available on websites that provide free tutorials on various subjects or on websites that provide notes on any subject in a portable document format, such as TutorialsPoint.com. Additionally, video tutorials are available on open school sites.
On TutorialsPoint.com, type "expert system" into the search box, and select AI Expert System from the suggestions that pop up, to reach the tutorial page. On websites such as Wiziq.com, PDF notes are available from renowned lecturers. On platforms such as YouTube, free video lessons are available on a simple search. On the Massachusetts Institute of Technology Open Course ware platform, go to the Find Courses tab and click Audio/Video lectures under Collection. On the Audio/Video lectures page, click Electrical Engineering and Computer Science, and then click Artificial Intelligence to gain access to video lessons on expert systems.