Week 1, Lesson 2: Data Types, Functions and Expressions -- This version of the BMI app logs the BMI for four different people, looping through an NSArray of NSValue objects that each hold a BodyMetrics strut. This is the log output:

2013-05-29 11:13:16.678 BodyMassIndex[92520:303] Case 0: BMI is 34.3 (260 lbs, 6'1")
2013-05-29 11:13:16.683 BodyMassIndex[92520:303] Case 1: BMI is 40.3 (289 lbs, 5'11")
2013-05-29 11:13:16.684 BodyMassIndex[92520:303] Case 2: BMI is 17.0 (90 lbs, 5'1")
2013-05-29 11:13:16.684 BodyMassIndex[92520:303] Case 3: BMI is 21.2 (105 lbs, 4'11")

Erik