answer: #Person1# asks students to do exercises, get a calculator, and prepare for tomorrow's quiz.
documents: #Person1#: Mr. : For tomorrow, read pages 12 to 20. Then do exercises one through ten on page 21.
  #Person2#: Do we have to type out our homework?
  #Person1#: Mr. : No. You only do that when you write reports.
  #Person2#: Is there anything else?
  #Person1#: Mr. : For those of you who don't have a calculator, get one.
  #Person2#: We are allowed to use a calculator in class?
  #Person1#: Mr. : Yes. By the way, review today's notes this evening. We may have a small quiz tomorrow.