Talk:FROG

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Negative powers of two?[edit]

What's with the negative powers of two in the article?

David Wagner et al. found that 2−33 of the keys are weak
Here 2−29 of keys are weak and can be broken using 236 chosen ciphertexts.

If these are meant to represent fractions, isn't there a clearer way to represent this? i.e., 1 in every 233.