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

                      HW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Eirini Fragkou           + x x - + x + - x  +  -  -  -  +  0  x
Daniel Gonzalez Espinosa 0 0 x x x x + + x  +  +  +  +  x  0  x
Trey Hackshaw            + + + + + + + 0 +  +  +  0  +  +  +  +
Alberto Hidalgo Benito   0 + x x + x + + +  +  +  x  +  +  0  x
Simona Klanicova         + + 0 x - - + + x  +  +  x  +  +  +  +
Khurram Rabbani          + + x - - - - - -  -  -  -  -  -  -  -