This is the Protagoras online testing application. You will need to login before you can take any tests.

Students taking Physics 107 and 133 IJ: you may log in using your @osu.edu id as username and the last four digits of your SSN as password. Once you log in you may change your password.

Students taking Physics 631: please note that if you have used this system in the past and changed your password before (e.g. in a previous quarters) you should use your old password --- the default password (last four digits of your SS#) will not work for you. If you do not remember the old password, send a message that contains your @osu.edu id to site administrator to have your password reset to default (last four digits of your SS#).

For any technical questions email site administrator.