Add yourself to the class roster at the URL
hw.ph.utexas.edu/roster.html

   Unique number: 22212

Access password:   < none >  

Log into the Homework Service at the URL
hw.ph.utexas.edu

Download: Students' Instructions
Download:     hw02    
Work one homework question.    
Submit its answer, expeditiously.
(before next class period)

Continue submitting answers until due time.
Download your solutions after due time.