[plt-scheme] Help: Uber newb

From: Robby Findler (robby at cs.uchicago.edu)
Date: Tue Jan 8 22:21:02 EST 2008

Does this help?

convert3(a,b,c) = c*100+b*10+c


On Jan 8, 2008 9:08 PM, William Stanley <cpt_silverfox at hotmail.com> wrote:
>  Exercise 2.2.4.   Define the program convert3. It consumes three digits,
> starting with the least significant digit, followed by the next most
> significant one, and so on. The program produces the corresponding number.
> For example, the expected value of
> (convert3 1 2 3)
>  is 321. Use an algebra book to find out how such a conversion works.
> Okay I had gone past this exercise but as I couldn't figure it out it was
> bugging me... and I must say its been a while since I regularly used algebra
> but after racking my brain for a while and googling for even longer I throw
> myself at your mercy... I am sure it is rather simple but I am stumped...
> sometimes I wish I could peek at those answers... even just to see if I got
> it right.
>  Travis Stanley
> ________________________________
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> learn more!
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