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Mathematics Goes to the Movies

by Burkard Polster and Marty Ross

**Straw Dogs (1971)**

3:32

AMY: David is a mathematician?

……

Charlie: Oh, an arithmetic teacher

DAVID: Well…

AMY: No, he is writing a book on the computer analysis of the celestial…

DAVID: Good try…

14:39

Wife changes plus to minus sign.

16:54/18:21/20:04/21:23

blackboard

17:51

David changes minus sign back

23:50

David is supposed to do 100 skips with a skipping rope. Cheats.

AMY: You are supposed to do a hundred.

DAVID: I did a hundred. I counted by binary numbers.

27:38

Good shot of blackboard

41:45

DAVID: I’m a, uh, astral mathematician.

REVEREND : Oh, never heard of it.

DAVID: That’s because I just made it up… I have a grant to study
possible structures in stellar interiors and the implications regarding their
radiation characteristics.

43:30

AMY: David, what is a binary number?

DAVID: Uh, zeros or ones, plus or minus

AMY: In sequences of twos.

DAVID: Hey, that is right.