Add my illustration to Exercise 4.33.

Included are the following 2 files:

	Exercise_4.33.pdf
	Exercise_4.33.tm

Thank you!
							Lawrence X. Amlord
							  Mar 1st, 2014
							  Xi'an, China
Add my answer to Exercise 4.35.

Included is the following file:

	Exercise_4.35.scm

Thank you!
							Lawrence X. Amlord
							  Mar 2nd, 2014
							  Xi'an, China
Fix a typo in the illustration of Exercise 4.33.
Add my answer to Exercise 4.36.

Included are the following 3 files:

	Exercise_4.36.pdf
	Exercise_4.36.scm
	Exercise_4.36.tm

Thank you!
							Lawrence X. Amlord
							  Mar 2nd, 2014
							  Xi'an, China
Add my answer to Exercise 4.37.

Included are the following 2 files:

	Exercise_4.37.pdf
	Exercise_4.37.tm

Thank you!
							Lawrence X. Amlord
							  Mar 2nd, 2014
							  Xi'an, China
Add my answer to Exercise 4.38.

Included are the following 5 files:

	Exercise_4.38.pdf
	Exercise_4.38.scm
	Exercise_4.38.tm
	ch4-ambeval.scm
	ch4-mceval.scm

Thank you!
							Lawrence X. Amlord
							  Mar 3rd, 2014
							  Xi'an, China
Add my answer to Exercise 4.39.

Included are the following 2 files:

	Exercise_4.39.pdf
	Exercise_4.39.tm

Thank you!
							Lawrence X. Amlord
							  Mar 3rd, 2014
							  Xi'an, China
Add my answer to Exercise 4.40.

Included are the following 3 files:

	Exercise_4.40.pdf
	Exercise_4.40.scm
	Exercise_4.40.tm

Thank you!
							Lawrence X. Amlord
							  Mar 4th, 2014
							  Xi'an, China