Welcome to 6.003z! This is a students led initiative whose purpose is to cover the fundamentals of Signals and Systems. If you aren't registered yet, click on the Register link to enroll yourself in the course. You are recommended to follow according the course calender (link is on right column), watching the lectures and doing the weekly homework assignments. Best of luck in learning Signals and Systems!
If you have any doubt or suggestions, feel free to contact us at firstname.lastname@example.org