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when i did the event i thought snells law was really easy. I dont' remember it now, it's been over year. You just use a scientific calculator.

Exactly, with just a regular TI scientific, you can do any trig stuff that you need.
In competition, I always miss my graphing calculator- I love my TI-83+, at the risk of sounding like a total math nerd (but then again, if I didn't like math, I wouldn't do this event)- just because I'm so much more used to using it these days, but a scientific does have all the functions necessary.

Crave the Wave is the event I like the least, but I am an alternate for that event. If the top two in Crave the Wave cannot compete because of the schedule, I will have to compete. If I do have compete, I have some major studying to do.

I love this event!!!

Oh well, to each his own.

Crave the Wave rocks

it was my favorite study event. one of the best events overall

I'm only an eighth grader in ninth grade math, so I've got NO CLUE at all whatsoever about Snell's Law, and wikipedia doesn't help much... Can someone please help?

Me too! But they shouldn't have it on the test. If they have any sense. So I wouldn't worry about it too much.

Most CTW tests I've taken have Snell's Law thoguh....

At first it's hard, but once you get the hang of it it's not so bad...

it's the only formula you have to know, and you can just put it in your binder