A Square C & D
I agree sir, but topics like this are very few and rare to find. There are some tutorials that show only calculations and definitions, bu...
No matter how good you may think it is, you do not need to post it in more than one group. Once it is seen, we do not need to see it advertised over and over again. We ALL saw it the first time.
Tutorials belong in the tutorials section.
Groups are for discussions. Your video is not a discussion.