[racket] Beginner problem

From: Jon Zeppieri (zeppieri at gmail.com)
Date: Sat Jun 8 22:35:05 EDT 2013

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
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