The intended solutions to the weekly puzzles were:

Week 2: cos(1), e, cd
Week 3: s^2+2, sqrt(2), sqrt(3)
Week 4: 0.156, 2, 0.636
Week 5 & 6: 2h, 960, 0
Week 7: 2/3, 59/20, 36
Week 8: 1/2, (log(2), 2), 243
Week 9: Pi/3, log(5), mv^2/2
Week 10: Left as an exercise....