Even if you’re not new to DL, I recommend a watch of these - there’s always little bits and pieces in the course which are great little tips, and the part mid-way through where an issue is found with PyTorch layer initializations is v. impressive.
apropos of nothing, I had not heard of photomath until your comment. I’m 40 and it’s like…magic. I understand how it all works, I even write image processing models...but it’s like having a magic wand that turns your A-Level questions into answers. Astounding. I can see why it’s a problem…