Add my answer to Exercise 1.37.

Included are the following 4 files:

	Exercise_1.37.pdf
	Exercise_1.37.scm
	Exercise_1.37.tm
	Test_for_Exercise_1.37.scm

Thank you!
							Lawrence R. Amlord
							   May 13th, 2013
							   Xi'an, China
Add my answer to Exercise 1.38.

Included are the following 4 files:

	Exercise_1.38.pdf
	Exercise_1.38.scm
	Exercise_1.38.tm
	Test_for_Exercise_1.38.scm

Thank you!
							Lawrence R. Amlord
							   May 13th, 2013
							   Xi'an, China