[racket] Beginner problem

Or, to put it another way, your language settings need to be different
for the "Quick" tutorial than for "Picturing Programs."

On Sat, Jun 8, 2013 at 11:07 PM, Jon Zeppieri <zeppieri at gmail.com> wrote:
> Ah, sorry. If you've already set up DrRacket to use the student
> languages, you need to undo that to do the "Quick" tutorial."
>
> You'll need to go back to the Language -> Choose Language... menu and
> select the Racket language.
>
> On Sat, Jun 8, 2013 at 11:04 PM, Jon Zeppieri <zeppieri at gmail.com> wrote:
>> That's what DrRacket responds with if you put a #lang line in the
>> interactions (lower) window. You need to put it in the definitions
>> (upper) window.
>>
>> On Sat, Jun 8, 2013 at 10:58 PM, Steve Lett <steve.lett777 at gmail.com> wrote:
>>> Thanks. I just did that and there's another error message. It reads "read:
>>> #lang not enabled in the current context"
>>>
>>> On Jun 9, 2013 12:35 PM, "Jon Zeppieri" <zeppieri at gmail.com> wrote:
>>>>
>>>> Did you follow the instructions in the part labeled "2 Set..."? You
>>>> need to put "#lang slideshow" at the top of your definitions window
>>>> (replacing any #lang line that might already be there), and you need
>>>> to press "Run" after doing that.
>>>>
>>>> On Sat, Jun 8, 2013 at 10:26 PM, Steve Lett <steve.lett777 at gmail.com>
>>>> wrote:
>>>> > Hi
>>>> > I am a beginner programmer and just came across Racket this week when I
>>>> > was
>>>> > on the Coursera website. I found the course called Intro to Systematic
>>>> > Program Design. I am trying to use Stephen Bloch's Picturing Programs.
>>>> > But
>>>> > my first attempt was using Quick-An Introduction to Racket with
>>>> > Pictures.
>>>> > Typing 5 I got 5. Typing "art gallery" I got "art gallery". But when I
>>>> > typed
>>>> > (circle 10) I got an error message "circle: this function is not
>>>> > defined".
>>>> >
>>>> > If I need a library there is a problem. My only internet conection is on
>>>> > the
>>>> > Android platform on a Galaxy Tab. So I have downloaded the DrRacket
>>>> > software
>>>> > and transferred it to my Windows Vista Laptop. I also have an XP desktop
>>>> > if
>>>> > I need it.
>>>> >
>>>> > So how can I get (circle 10) to work?
>>>> >
>>>> > Thank you for being there! It really means alot!  Steve Lett
>>>> >
>>>> >
>>>> > ____________________
>>>> >   Racket Users list:
>>>> >   http://lists.racket-lang.org/users
>>>> >