+ largely done
x done partially or with substantial errors, or not done but contains good ideas
0 largely not done, or serious errors

               HW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Libuse Habrnalova + 0 + + + + + + +  +  +  +  x  +  +  x  +  +  x  +
Trey Hackshaw     + + + + + + + + +  +  +  +  x  +  +  +  +  +  +  +
Khurram Rabbani   + 0 + - - - - - -  -  -  -  -  -  -  -  -  -  -  -