This week's rounds are Music (Intros), Halloween, Swapped in Authors (Quickfire), Famous People and an extra Prize Round!
There is no music this week because of the prize round.
Prize Round Picture Question:
![In mathematics and the sciences, which greek letter is used to donated the change of a quantity?]()
Which greek letter?
There is no music this week because of the prize round.
Prize Round Picture Question:
Which greek letter?