It's like taking a pile of cash in three different denominations and determining the total value.
The significance tells you which digit is which. For instance, in the number: 12,657,809.43 ; the 3 is very insignificant to the total value of the number. So 3 is the least significant there. Your function signature looks good. -Paul > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Luke Jordan > Sent: Wednesday, November 10, 2010 3:53 PM > To: André Toscano > Cc: [email protected] > Subject: Re: [racket] Newbie question > > Think of how, with multiplication, you could convert a sequence of digits > into a whole number that you could compare to another whole number. > > On Nov 10, 2010 2:40 PM, "André Toscano" > <[email protected]> wrote: > > Hi all! > > I'm new to programming. I'm trying to learn on my own in my spare > time, not a student in any school or course. Got hold of the HTDP book > website when searching the web for resources, and am progressing through > it at my own (usually slow) pace. > > I'm kind of getting stuck on a specific exercise. > > It's 5.1.3. in this url http://htdp.org/2003-09-26/Book/curriculum- > Z-H-8.html > > I did 5.1.2. already and it's working fine. Also, I have a pretty > good idea of how to do 5.1.4. I'm just stuck at 5.1.3. > > As it says in the problem formulation, "check-guess3 consumes three > digits and a number.[...] The number is called 'target'[...]", and from > what I can figure out, 'guess' is a number made up of the three digits > that have to be inputed. So I believe 'target' is the random name that the > computer will choose (like in exercise 5.1.2.) and to which 'guess' should > be compared against. > > And that's where I'm stuck. How can I "build" a number based on > three inputed digits? > > Should those 3 digits be three different arguments present in the > function definition? > > ; for example (define (check-guess3 digit1 digit2 digit3 target) ? > > I'm not expecting to get a direct answer in here. But if someone > could be kind enough to just rephrase what's expected, that would probably > be of help. > > Thanks. > > Andre' > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
