Dr. Johnson is definitely a good professor as she made this modeling class much easier than it could be (than other 142 instructors). Even though she didnt give practice midterm and final, these two exams are actually very EASY, especially the final. You can easily get above 105/110 in the final if you study for just one day before the exam, all very straightforward and easy questions. Also, the pace of this class is VERY VERY SLOW, so that you can have much more than enough time to digest the materials. In fact, 10 minutes is all you need to go through the notes for a new lecture, and no need to go to the class, as she will post her notes on bruinlearn. The project is also a free full-mark component that made up your final grade.

The only bad thing is the homework. They are very time-consuming, and the coding problems are not related to the exams at all. For example, you might be asked to write great bunch of codes to establish a complicated fertility model, and the simulations and results can be completely wrong if your coding background is not strong. But the good thing is, we now have GPT to write some difficult codes for us, so generally speaking it is fine. Also make sure to collaborate with your friends and classmates on the problems, as it is allowed and encouraged.

Overall, this is relatively an easy math upper-division course compared to other hardcore classes. For class like 131B and beyond, you might have to devote much to studying in order to get a decent grade. For this class, however, you dont have to. Definitely an easy class, even an easy A class.

Didn't enjoy taking this class at all. Professor Johnson was unclear in her lectures (took bits and pieces from the textbook, didn't explain anything clearly) and her grading on the quizzes/ homework assignments was very harsh.

Sometimes the homework assignments took upwards of 10-15 hours to complete. I will say that she wasn't very good at teaching Math 42 because she had no idea what she was even teaching to begin with. Overall, I wouldn't recommend taking this class with Prof. Johnson. If you don't have a choice, I'd suggest learning everything from the textbook (showing up to lectures isn't worth it).

As a professor, she was pretty good. Even though she did not post a practice midterm or final, they were both pretty easy to do if you read through her notes. She was very open to helping during her office hours, but the homeworks were significantly harder than any material covered in lecture. I got a 90 on both the midterm and final and a 100 on the project but ended with an A- because the homeworks tanked my grade. The TA was not that helpful during discussion.

1. No practice exams, may easily bomb if you take it easy
2. Need careful review after class, as TAs do little help
3. Requires strong self-study ability to do well in the class (this class is not as easy as it supposed to be)

She has a cute dog :)

Fair exams and overall straightforward professor.

I’m sorry for whoever has to take this class. Pro tip, wear protection before you let this class fuck you up.

As a professor, she's okay. For the class, don't expect it to be easy. You just need to put in the time to study. Do all the suggested homework and midterm practice problems.