Are you taking or teaching a course in Numerical Methods in Spring 2018. If so, then look at all these resources.
Open CourseWare: http://nm.MathForCollege.com
YouTube: http://youtube.com/numericalmethodsguy
MOOCS: http://www.canvas.net/?query=numerical%20methods
Blog: http://blog.autarkaw.com
Twitter: http://twitter.com/numericalguy