I probably should have contacted them. The completely untrustworthy answers/exercises turned out to be somewhat of a blessing in disguise as I ended up really l

I probably should have contacted them. The completely untrustworthy answers/exercises turned out to be somewhat of a blessing in disguise as I ended up really learning the material being that I had to figure out everything myself and carefully step through exercises to find the error. However I had luxury of free time to do so and wasn't panicking under pressure of a class schedule and this text is used for a lot of undergrad courses.