All Greek to Me

Damon is struggling with his math homework, describing it as 'all Greek to me'. This phrase, originating from the Middle Ages, was popularized by Shakespeare to mean something incomprehensible. The video explains this history and concludes with Damon realizing his homework confusion was due to looking at the wrong page.

What was the student's initial problem with their homework?

In what way has the meaning of 'it's all Greek to me' evolved over time?