[nfbcs] K-Maps

[Tracy Carcione]

If it's a grid, could a person use braille graph paper, if it's still
available?  It's a sheet of paper with a grid of raised-line boxes, with
space for 1 character in each box.

I think Excel would do the job, but, personally, I find it very hard to get
a complete picture when I'm looking at one box at a time.  I need hardcopy,
if I want a real sense of what the whole thing looks like.
Tracy



-----Original Message-----
From: nfbcs [mailto:nfbcs-bounces at nfbnet.org] On Behalf Of Doug Lee via
nfbcs
Sent: Thursday, September 29, 2016 11:55 AM
To: Edgar Lozano via nfbcs
Cc: Doug Lee
Subject: Re: [nfbcs] K-Maps

I did this long ago (like 1989 or so) and just made Braille tables for them.
Nowadays you could also use something like Excel I'm sure. You have the
correct idea: They are matrices of values - as I recall, 0's, 1's, and
deltas for "don't care." In Braille I just used 0, 1, and d, respectively;
the same would work for you in Excel though I'm sure you could use an actual
Delta if communicating with sighted teachers or students.

On Thu, Sep 29, 2016 at 10:32:22AM -0500, NFBCS mailing list wrote:
Hello Everyone,

This is my first time posting to this list. I'm a totally blind student
enrolled in a computer science university course essentially titled Digital
Logic. Much of we are covering is related to circuits and electronic
components. I understand everything. However, my instructor is informing me
that we'll need to make extensive use of K-maps, a visual technique designed
to aid in the simplifying of Boolean algebra equations. Has anybody on this
list taken a course like this? I must admit, this is the first time in my
university years that I have a feeling that this will slow me down. I'm
thinking about purchasing a Draftsman board from APH. Maybe this will assist
me in getting the big picture of how a k-map is laid out. I know these
drawings are essentially matrices with bits arranged in column-row fashion
in boxes. Anyway, if someone has gone through a similar course like this, I
would appreciate any tips you have to facilitate the understanding of k-maps
and how I may be able to produce them.

Thank you.

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-- 
Doug Lee                 dgl at dlee.org                http://www.dlee.org
SSB BART Group           doug.lee at ssbbartgroup.com
http://www.ssbbartgroup.com
"Maturity is knowing that the world owes you nothing. Freedom is knowing you
owe it the same. Character is how you respond to the knowing." --Jack
Kincaid

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