It's just a pi with one leg in the middle. It's pretty easy to read. Also engineers (who don't have very good writing) have been using tau for things like a time constant (among other uses) for a long time.
The bad handwriting problem is solved very easily, TAs should complain to the professor to make it a requirement that if you guys can't read it, it's wrong. I've had classes like this, I just use LaTeX.
The bad handwriting problem is solved very easily, TAs should complain to the professor to make it a requirement that if you guys can't read it, it's wrong. I've had classes like this, I just use LaTeX.