<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>Please work your way thru HtDP/2e first. Realm assumes people have seen a full course on programming (2e is almost complete) and have the maturity to work through some typical first problems. When you're done Realm will be just fine for you. -- Matthias</div><div><br></div><div><br></div><div><br></div><div><br></div><br><div><div>On Nov 3, 2013, at 6:19 AM, Saad Bashir wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">But I have another question. What should I do if need to go back to BSL from time to time as I am still working with Htdp/2.<div><br></div><div>Will you advise to go through Realm of Racket fully and then re-try Htdp/2?</div> <div><br></div><div>Saad</div> <div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Nov 3, 2013 at 2:14 PM, Geoffrey S. Knauth <span dir="ltr"><<a href="mailto:geoff@knauth.org" target="_blank">geoff@knauth.org</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u> <div><div>Glad you got it working!</div><div><div> <div> </div> <div> </div> <div>On Sun, Nov 3, 2013, at 6:11, Saad Bashir wrote:<br></div> <blockquote type="cite"><div dir="ltr">Thank you for your help. I reinstalled Racket and chose the correct language and the problems is solved. <div> </div> <div>Great forum.<br></div> <div> </div> <div>Saad<br></div> </div> <div><div> </div> <div> </div> <div><div>On Sun, Nov 3, 2013 at 1:50 PM, Saad Bashir <span dir="ltr"><<a href="mailto:bashir.saad@gmail.com" target="_blank">bashir.saad@gmail.com</a>></span> wrote:<br></div> <blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thank you very much. <div> </div> <div>I surmised as much but the problem is when I go to the language option in Racket and click on choose language, there is no option for Racket language. <div> </div> <div>What should I do? <br></div> <span><span style="color:rgb(136,136,136)"><div> </div> <div>Saad<br></div> </span></span></div> </div> <div><div><div><div> </div> <div> </div> <div><div> On Sun, Nov 3, 2013 at 12:47 PM, Geoffrey S. Knauth <span dir="ltr"><<a href="mailto:geoff@knauth.org" target="_blank">geoff@knauth.org</a>></span> wrote:<br></div> <div> </div> <blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><u></u> <br></div> <div><div>Saad, at first I thought the problem was you put a space after the single-quote mark. I tried what you entered using the Beginning Student with List Abbreviations language, and it worked, space or no space: <br></div> <div> </div> <div> </div> <div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">> '((1 3 5 7 9) (2 4 6 8 0))</span><br></div> <div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">(list (list 1 3 5 7 9) (list 2 4 6 8 0))</span><br></div> <div><div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">> ' ((1 3 5 7 9) (2 4 6 8 0))</span><br></div> </div> <div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">(list (list 1 3 5 7 9) (list 2 4 6 8 0))</span><br></div> <div> </div> <div><span style="font-family:menlo,' consolas',' courier new',' monospace',' sans-serif'"><span style="font-family:arial,sans-serif,sans-serif">Then I tried with the Beginning Student Language, and I got what you got:</span></span><br> </div> <div> </div> <div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">'((1 3 5 7 9) (2 4 6 8 0))</span><br></div> <div><div><span style="font-family:menlo,consolas,'courier new',monospace,sans-serif">quote: expected the name of the symbol after the quote, but found a part</span><br></div> <div> </div> </div> <div>Then I thought, "Better look at <i>Realm of Racket</i>." On page 21, the page before page 22, it says that for the immediately following examples, you should pick "The Racket Language" (not Beginning Student Language). <br></div> <div> </div> <div>Geoff<br></div> <div><div><div> </div> <div>On Sun, Nov 3, 2013, at 4:11, Saad Bashir wrote:<br></div> </div> </div> <blockquote type="cite"><div><div><div dir="ltr">I have been working with Htdp/2 as an absolute beginner and finding it difficult have switched to Realm of Racket.<div> </div> <div>In the first pages it asks one to download Racket which I already have but in the BSL mode. When using it I type in the following in the interactions panel as advised by Realm of Racket to see about lists (page 22): <br></div> <div> </div> <div>' ((1 3 5 7 9) (2 4 6 8 0))<br></div> <div> </div> <div>the message I get is:<br></div> <div> </div> <div>quote: expected the name of the symbol after the quote, but found a part<br></div> <div> </div> <div>It does not return the list as it is supposed to in the book.<br></div> <div> </div> <div>Is this because I am using BSL? If so what should I do/<br></div> <div> </div> <div>Thank you for any help.<br></div> <div> </div> <div> Saad<br></div> </div> </div> </div> <div><u>____________________</u><br></div> <div> Racket Users list:<br></div> <div> <a href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a><span><span style="color:rgb(136,136,136)"></span></span><br></div> <span><span style="color:rgb(136,136,136)"></span></span></blockquote><span><span style="color:rgb(136,136,136)"><div> </div> <div><div>-- <br></div> <div>Geoffrey S. Knauth | <a href="http://knauth.org/gsk" target="_blank">http://knauth.org/gsk</a><br></div> <div> </div> <div> </div> </div> <div> </div> </span></span></div> <div> </div> <div>____________________<br></div> <div> Racket Users list:<br></div> <div> <a href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a><br></div> <div> </div> </blockquote></div> <div> </div> </div> </div> </div> </blockquote></div> <div> </div> </div> </blockquote><div> </div> <div><div>-- <br></div> <div>Geoffrey S. Knauth | <a href="http://knauth.org/gsk" target="_blank">http://knauth.org/gsk</a><br></div> <div> </div> <div> </div> </div> <div></div> </div></div></div> </blockquote></div><br></div></div> ____________________<br> Racket Users list:<br> <a href="http://lists.racket-lang.org/users">http://lists.racket-lang.org/users</a><br></blockquote></div><br></body></html>