StumbleUpon
Basic Math:
Training and Online Courses:
GITHUB
Miss Manners
Raspberry Pi Store https://store.rpipress.cc/
https://www.raspberrypi.org/magpi-issues/Beginners_Guide_v1.pdf
https://hackspace.raspberrypi.org/
https://web.stevens.edu/facultyprofile/?id=2081
https://sites.tufts.edu/makers/projects/
https://online-learning.harvard.edu/catalog