From: Christophe Broult Date: 2001-09-23T03:19:40+09:00 Subject: [ruby-talk:21554] Re: Math and Programming This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C14393.104B0510 Content-Type: text/plain Brian, I think this is great you write such a book. You have all my encouragements. Christophe > -----Original Message----- > From: Brian Marick [mailto:marick@visibleworkings.com] > Sent: Saturday, September 22, 2001 2:05 PM > To: ruby-talk@ruby-lang.org > Subject: [ruby-talk:21552] Re: Math and Programming > > > I've decided to go ahead with the book. So, to avoid giving > prospective > readers the wrong impression, let me say that the book is not > going to be > math-centric. Factorial is the limit, and I don't think > factorial will > scare people off. My wife doesn't like math, but she had no > problems with > factorial (or recursion for that matter). > > The rest of the book will be much more about strings and arrays and > non-math classes. > > (I maintain factorial is a good example because it can be > used to show the > surprising fact that integers are objects and arithmetic is > message sends. > That kind of thing is the theme of the book. I could show > that with def > double(n) 2*n; end, but I think programs that do completely > trivial things > disappoint readers.) > > -- > Brian Marick, marick@testing.com > www.testing.com - Software testing services and resources > www.testingcraft.com - Where software testers exchange techniques > www.visibleworkings.com - Adequate understanding of system internals > ------_=_NextPart_001_01C14393.104B0510 Content-Type: text/html RE: [ruby-talk:21552] Re: Math and Programming

Brian,

I think this is great you write such a book.
You have all my encouragements.

Christophe

> -----Original Message-----
> From: Brian Marick [mailto:marick@visibleworkings.com]
> Sent: Saturday, September 22, 2001 2:05 PM
> To: ruby-talk@ruby-lang.org
> Subject: [ruby-talk:21552] Re: Math and Programming
>
>
> I've decided to go ahead with the book. So, to avoid giving
> prospective
> readers the wrong impression, let me say that the book is not
> going to be
> math-centric. Factorial is the limit, and I don't think
> factorial will
> scare people off. My wife doesn't like math, but she had no
> problems with
> factorial (or recursion for that matter).
>
> The rest of the book will be much more about strings and arrays and
> non-math classes.
>
> (I maintain factorial is a good example because it can be
> used to show the
> surprising fact that integers are objects and arithmetic is
> message sends.
> That kind of thing is the theme of the book. I could show
> that with def
> double(n) 2*n; end, but I think programs that do completely
> trivial things
> disappoint readers.)
>
> --
> Brian Marick, marick@testing.com
> www.testing.com - Software testing services and resources
> www.testingcraft.com - Where software testers exchange techniques
> www.visibleworkings.com - Adequate understanding of system internals
>

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