Introduction to Functional Programming — Homework 2

Due by 11:59pm Wednesday, February 17

Reading

• Study the code examples we discussed in class.

Programming Exercises

1. Finish all of the exercises from the Lab 2 worksheet.

   • divides? (using a cond expression)
   • classify (using a cond expression)
   • both-zero? (using a cond expression)
   • teen?
   • exactly-one-zero?
   • equal-dates?
   • different-dates?
   • earlier-date
   • has-30-days?
   • leap-year?
   • days-in-month
   • valid-date?

Turning in Your Homework

• Save all of your Scheme definitions in a single text file named assign2.scm. Make sure to include your name and the assignment number in a comment at the top of your file (comments in Scheme start with a semicolon and go to the end of the line). Submit your file using the Homework Upload Site. Please do NOT email your file to me.

• If you have questions about anything, don't hesitate to ask!