Professor Retamoso has created websites for all courses that he teaches.

https://openlab.bmcc.cuny.edu/members/iretamoso/

Since Fall 2019, Professor Retamoso has been using for all courses that he teaches:

Zero cost OER Textbook from openstax.org

Zero cost WEBWORK Homework system.

Zero cost Homework system from: http://helpyourmath.com/immersion/homework

It is Professor Retamoso’s intention to help students learn Mathematics regardless of their financial status.

Currently,

Professor Retamoso is an ACCCESS Fellow member of the sixteenth cohort of AMATYC Project ACCCESS.

Professor Retamoso is a Faculty Fellow for the Opening Gateways Faculty Seminar.