[plt-scheme] RSA encryption algorithm

From: Filipe Cabecinhas (filcab at gmail.com)
Date: Sat Nov 3 14:12:01 EDT 2007

On 3 Nov, 2007, at 17:38, Felix Klock's PLT scheme proxy wrote:

> I'm inferring that you are referring to the use of the (local ...)  
> or (let ...) [or let* or letrec or letrec*] special forms.  One can  
> certainly save and reuse previous results through other means, but  
> those forms are the first things that pop into my mind after reading  
> last sentence you wrote above.

Yes, I was talking about let(*). They already know about that.

> If the class is using HtDP as their text, they might not have seen  
> any of those forms yet.  The (local ...) form is not introduced in  
> HtDP until the end of part III, and my memory is that the other  
> forms are never introduced in HtDP.

They already know about let, block structure, data abstraction, higher- 
order functions, and most of the stuff in SICP, chapters 1 & 2.

   - Filipe Cabecinhas

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