[nfbcs] truth tables

[Tracy Carcione]

For making raised line drawings, I have used a piece of window-screen 
stretched over a piece of wood or thick cardboard and taped in place with 
duct tape.  Put a piece of ordinary print paper on top of the screen, and 
draw whatever you want with an ordinary pen.
Tracy

----- Original Message ----- 
From: "Nancy Coffman via nfbcs" <nfbcs at nfbnet.org>
To: "'Mike Jolls'" <mrspock56 at hotmail.com>; "'NFB in Computer Science 
Mailing List'" <nfbcs at nfbnet.org>
Sent: Sunday, September 28, 2014 6:19 PM
Subject: Re: [nfbcs] truth tables


>I think creativity goes a long way here.  Sticky notes or index cards on a
> string board with clips of some sort or Velcro on a felt board could be
> easily changed or corrected by moving pieces around.  Back in the 70's 
> (dark
> ages) someone had made a periodic table for me with dymo tape.  It turned
> out to be more up-to-date than the table on the chemistry room wall. 
> Lines
> can be made with a tracing wheel, puff paint or even Wiki sticks.
>
> Nancy Coffman
>
> -----Original Message-----
> From: nfbcs [mailto:nfbcs-bounces at nfbnet.org] On Behalf Of Mike Jolls via
> nfbcs
> Sent: Friday, September 26, 2014 8:26 AM
> To: nfbcs at nfbnet.org
> Subject: Re: [nfbcs] truth tables
>
> Commenting on another responder, Excel is in fact a good way to layout 
> truth
> tables.  However, here's a question.
> What happens if you want to do some tabular work but you're not near a PC
> with Excel, or maybe your electronic solution has died?
> OK, this might not happen very often, but in the event it does, and if
> you're not sighted where you can simply lay it out on paper like in the 
> old
> days before we had software such as Lotus 1,2,3  (I'm dating myself there)
> or Microsoft Excel, what do you do if you're blind or your vision is such
> that you can't deal with pencil and paper?
> Is the only choice Braille at that point?
>
> I suppose if the answer is Braille, then you better have a 40 column slate
> and 11.5 inch wide paper.
> And, hope that the data columns you need aren't so many that they won't 
> fit
> in 40 columns.
>
> I ran into this problem when I had severe cataracts and was considering
> doing it with a slate and stylus.
> I have to say it was difficult remembering exactly how I was lining up
> columns and getting the placement right.
> That's why I asked what you do if your electronic solution goes away.
> Is there an acceptable Braille method to use when you don't have the
> electronic method available and you can't use Jaws / Magic / Excel or some
> similar solution?
>
>> Date: Mon, 22 Sep 2014 19:52:43 -0400
>> To: program-l at freelists.org; nfbcs at nfbnet.org
>> Subject: [nfbcs] truth tables
>> From: nfbcs at nfbnet.org
>>
>> Hello all:
>> Is there a good way of representing truth tables? For the basic
>> functions it's pretty simple to just write straight text, but it gets
>> harder as you add to it. I'd like to be able to represent them in a
>> way that would make it easier to understand logic operations.
>> Thanks,
>>
>> --
>> Take care,
>> Ty
>> http://tds-solutions.net
>> He that will not reason is a bigot; he that cannot reason is a fool; he
> that dares not reason is a slave.
>>
>>
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