Hotmath.com Adds Math Instant Messaging Feature For Online C

Wow, I really thought this was going to be my answer to my private re-studying of Algebra of more than fifty years ago but then I saw that it was a pay for knowledge site, it stopped me dead in my tracks when filling out the join up form. In my retirement years I can only handle so many things requiring payments. Too bad, but I do have some more that will do almost what this site can do.