Agreed, worst textbook I ever had. 35 pages of instruction, followed by half of an example and "the remainder is left as an exercise to the reader."
Oh
My
God.
So in Karlen's Calc 4 class, we had 4 quizzes and a final. The final was supposed to be worth half our grade. Each quiz had 2 problems on it.
We had to retake 2 of the 4 quizzes, because each of those 2 quizzes had one problem on them (half the quiz) that was UNSOLVABLE. Karlen didn't bother to TRY IT HIMSELF before he gave them out as quizzes. And he screwed that up TWICE in the SAME QUARTER.
So after taking 6 quizzes and getting credit for 4 because 2 were bunk, I had a 32% grade going into the final exam, which was a B on the curve, and the final was supposed to be worth half our grade.
Twenty question final. I answered 2, left the rest blank, turned it in, and went to go get drunk because I knew I'd failed the class. Got my grade back and I had a B.
Turns out, over half of the class got zeros on the final, so he couldn't curve it at all, and had to throw it out. Gave us our quiz grade as our final grade.
That's Karlen.
I have worse stories about Karlen.
Karlen should be fired.