[BlindMath] Blind Math and Coding

kperry at blinksoft.com kperry at blinksoft.com
Mon Apr 29 14:45:41 UTC 2024


Thanks for replying. For me Robin.  To answer though I am doing this course
as a volunteer.    For Bits ACB.  I work elsewhere. Most here know where but
I don't mix and match.

-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Robin Williams
via BlindMath
Sent: Monday, April 29, 2024 3:32 AM
To: Blind Math list for those interested in mathematics
<blindmath at nfbnet.org>
Cc: Robin Williams <Robin.Williams at atass-sports.co.uk>
Subject: Re: [BlindMath] Blind Math and Coding

Hi Ketty,

I think you have confused me with Ken Perry, who teaches the Python course.

Robin

-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ketty Ombadykow
via BlindMath
Sent: Friday, April 26, 2024 10:17 PM
To: blindmath at nfbnet.org
Cc: Ketty Ombadykow <mko30 at echo.rutgers.edu>; Michelle Meyer
<michelle.meyer at rutgers.edu>; Jason Khurdan <jkhurdan at oit.rutgers.edu>
Subject: [BlindMath] Blind Math and Coding

Thanks Robin for your feedback and suggestions!

1. Computer course: looks like it will be Java so your statement: " I am
teaching a course of over 80 blind coders with Visual studio coder and
Python right now as a 100% blind person and it is the best IDE out for
languages like Javascript and python." does make me feel a bit less worried.

2. Calculus and Statistics: we are looking at Mathpix and MathCat for our
remediation efforts of the course materials. I haven't yet thought about the
student showing his work on assignments and exams. We meet with the student
next week to get more info, background, experience, history with math and
coding and exact instructor so we can get the class materials. Voice input
and reading back equations to verify accuracy would be
great....investigating!

Robin, if you don't mind, can you say where do you work?  I would love to be
a fly on the wall as you teach the 80 blind students.
Thanks again,
Ketty



-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of
blindmath-request at nfbnet.org
Sent: Thursday, April 25, 2024 8:00 AM
To: blindmath at nfbnet.org
Subject: BlindMath Digest, Vol 213, Issue 10

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Today's Topics:

   1. Re: BlindMath Digest, Vol 213, Issue 8 (kperry at blinksoft.com)
   2. Re: BlindMath Digest, Vol 213, Issue 8 (tony k5twz.com)


----------------------------------------------------------------------

Message: 1
Date: Thu, 25 Apr 2024 07:11:02 -0400
From: <kperry at blinksoft.com>
To: "'Blind Math list for those interested in mathematics'"
        <blindmath at nfbnet.org>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8
Message-ID: <004701da9701$430e40e0$c92ac2a0$@blinksoft.com>
Content-Type: text/plain;       charset="us-ascii"



I am teaching a course of over 80 blind coders with Visual studio coder and
Python right now as a 100% blind person and it is the best IDE out for
languages like Javascript and python.   If your going for something like
Java, Kotlin, then I would go Intelli-j.    Oh incase people are wondering
we had 150 blind / low vision when we started but the terminal, github, and
the IDE  were to much for many students which is sad.  A lot of the trouble
is just getting setup.


-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Robin Williams
via BlindMath
Sent: Friday, April 19, 2024 5:25 AM
To: Blind Math list for those interested in mathematics
<blindmath at nfbnet.org>
Cc: Robin Williams <Robin.Williams at atass-sports.co.uk>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8

Hi,

Just to follow up on a couple of points:
VSCode is a very accessible tool, and I'm sure it would provide a good
experience when editing Javascript, as well as many other languages. There
is a bit of a learning curve, but in my opinion it's not too steep for code
editing. Microsoft also provide good documentation.

I haven't usedMathpix in the way you suggest, but I have had some real
success using it to generate accessible HTML from previously inaccessible
PDFs. At $50 yearly it is well worth the subscription, in my opinion. It is
unfortunate that the desktop app is inaccessible for screen reader users.
With some patience it is possible to use through the web interface, but the
best option is to use the command line interface. This requires installing
the NodeJS package manager, and then simply following the instructions on
the Mathpix site.

Your suggestions for accessing graphs are all valid. Something we should
also keep in mind are the increasing possibilities to use AI to generate
detailed descripitions, with the caveat that they could on occasion be
inaccurate. The functionality now built in to JAWS, which I believe can also
be obtained via an NVDA add on, looks promising in this regard, and I'm sure
it will only improve over time.

All the best,
Robin

-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ketty Ombadykow
via BlindMath
Sent: Thursday, April 18, 2024 5:31 PM
To: blindmath at nfbnet.org
Cc: Ketty Ombadykow <mko30 at echo.rutgers.edu>; RADR AFT
<radr.aft at echo.rutgers.edu>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8

Thank you to those who provided feedback to the Rutgers University questions
about accessible flowcharting software and  JavaScript Editor, and
accessible math format.

We really appreciate all feedback.

Jonathan Godfrey,  we'll look into the Quatro and Mermaid editors.

For Calculus,
1) Hope professor will provide Latex files, then we can convert to HTML with
Mathjax, as we have done this before.
2) there are many GRAPHS to illustrate the math: any preference or suggested
method to provide the graphs accessibly: tactiles or alt text or use the
accessible scientific graphing calculator (which may not identified shaded
areas of graphic)?

For his Statistics class,
it looks like the math notation is not as dense. The professor may use the
Word equation editor or MathType to insert the typed math. We can ask for
the original Word files and convert to HTML with mathjax.

Have any of you used MathPix to insert the math into Word files and read the
math in the WORD file with MathCat (integrated now in NVDA, soon to be
supported in JAWS)?
Or Equatio?

Thank you all again for your guidance.
 Best Regards,
Ketty

 M. Ketty Ombadykow, M. Ed., M.S.| Alternate Format Text/Assistive
Technology Rutgers University | Rutgers Access & Disability Resources (RADR)
Liberty Plaza, Suite 1250, 335 George Street, New Brunswick, NJ 08901
Office: (848)-445-4431 | RADR main:  (848)-445-4499
radr.aft at echo.rutgers.edu<mailto:radr.aft at echo.rutgers.edu> |
https://radr.rutgers.edu/<https://radr.rutgers.edu/
-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of
blindmath-request at nfbnet.org
Sent: Thursday, April 18, 2024 8:00 AM
To: blindmath at nfbnet.org
Subject: BlindMath Digest, Vol 213, Issue 8

Send BlindMath mailing list submissions to
        blindmath at nfbnet.org

To subscribe or unsubscribe via the World Wide Web, visit
        http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org
or, via email, send a message with subject or body 'help' to
        blindmath-request at nfbnet.org

You can reach the person managing the list at
        blindmath-owner at nfbnet.org

When replying, please edit your Subject line so it is more specific than
"Re: Contents of BlindMath digest..."


Today's Topics:

   1. Re: I need help with vectors and electric field (Jonathan Fine)
   2. TikZ tutorials (Michael Link)
   3. quarto as substitute for jupyter notebook (Rich Caloggero)
   4. TikZ tutorials (peter.julien.rayner at gmail.com)


----------------------------------------------------------------------

Message: 1
Date: Wed, 17 Apr 2024 15:07:31 +0100
From: Jonathan Fine <jfine2358 at gmail.com>
To: Abdulqadir Ahmad <arfs6.mail at gmail.com>
Cc: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: Re: [BlindMath] I need help with vectors and electric field
Message-ID:
        <CALD=Yf9By5SpkM06EXi9LpKKxf8orauw+-FgbfyzfzAtdisQZQ at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Hi Abdulqadir

A force has a magnitude and a direction. Coulomb's law has two parts. The
first part gives the magnitude of the force. The second part gives the
direction of the force.

In plane Cartesian coordinates we can write the force as a vector. For
example, (1, 0) is a unit force to the x-direction, and (0, 1) is a unit
force in the y-direction.

We can add forces by adding components. So (1,0) + (0,1) = (1, 1).

Now, (1, 1) is a diagonal force, with equal components in the x and y
directions. The magnitude of this force is given by Pythagorus theorem. It
is the square root of the sum of the square of the magnitudes. In this case
it is the square root of 2, which is about 1.414.

Suppose we have charged particles at (0,0) and (1,1) and the charges are
such that Coulomb's law gives a force of magnitude one. What is the
resulting vector, in plane Cartesian coordinates? Well, its direction is on
the diagonal line from (0, 0) to (1, 1). But it is not (1, 1), because that
has magnitude 1.414.

There are two correct answers. The first is approximately (0.707, 0.707).
This has magnitude one. The other is the equal but opposite force (-0.707,
-0.707). It may help to remember that 0.7 squared is 0.49, which is almost a
half.

I hope this helps you find the calculation needed to solve your problem.
Remember that in Physics a force has a magnitude and a direction. The
magnitude of the sum of two forces depends on their magnitudes, and also on
the angle between their directions. The simplest example is 1 + 1 = 2 and 1
- 1 = 0. For 1+ 1 the angle is zero, and for 1 - 1 the angle is 180 degrees.

I hope this helps. For sighted persons I would draw a diagram to engage with
the visual imagination.

with kind regards

Jonathan


------------------------------

Message: 2
Date: Wed, 17 Apr 2024 10:11:15 -0400
From: Michael Link <michael at michaellink.org>
To: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: [BlindMath] TikZ tutorials
Message-ID:
        <CAOjzk6aszeEitrn7AthE=iDepREbrBJt=feeBkTt3iSrkxYBJg at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Hi there!

Does anyone have any recommended tutorials to learn TikZ?

Thanks!
Michael


------------------------------

Message: 3
Date: Wed, 17 Apr 2024 11:46:38 -0400
From: "Rich Caloggero" <rjc at mit.edu>
To: Jonathan Godfrey <A.J.Godfrey at massey.ac.nz>, Blind Math list for
        those interested in mathematics <blindmath at nfbnet.org>
Subject: [BlindMath] quarto as substitute for jupyter notebook
Message-ID: <0d662255-f5e9-3c2a-5f05-4ed4fa248030 at mit.edu>
Content-Type: text/plain; charset=UTF-8; format=flowed

Actually, this is very nice. To get this setup using quarto and observable
(a javascript runtime which works particularly well for notebook type
environments), do the following:


1. download quarto:

https://github.com/quarto-dev/quarto-cli/releases/tag/v1.4.553


2. Paste the following simple document into a file with extension ".qmd"
and run the command "quarto preview simple.qmd"

This will create an html document, run a local web server and run your
default browser with that document loaded from the server, and watch source
files for changes. You can modify the document in your favorite text editor,
or whatever tool you use for document creation and it will be reflected in
the browser upon save.


Use the render command to render to a file, but note that it must be viewed
through a web server, rather than a local file:// URL.


Here is a very simple source doc (cut here):


---
title: "Quarto Basics"
format:
 ? html:
 ??? code-fold: true
---

The exponentiation operator in javascript is written as shown below:

```{ojs}
a = 27;
b = 7;
a ** b;
```



On 4/16/2024 4:19 PM, Jonathan Godfrey wrote:
> Hello.
>
> If it isn't HTML, then what alternatives do you propose? MS Word files
can't be made as accessible; pdf from LaTeX is not even close, leaving you
with the source files or HTML as the only viable alternatives.
>
> If you use HTML, then you can use MathJax for equations, it is easy to
protect code blocks with useful tools to play with the code, and so much
more.
>
> You could investigate Quarto as a markdown flavour which is a 
> substitute
for Jupyter notebooks. It is also great for R as well.
>
> Quarto is not the only way to make use of markdown based tools such as
mermaid for flow charts.
>
>
> Perhaps the major advantage HTML has is that you do not need 
> everything to
be in one file. Elements that need a different workflow (such as flow
charts) could be put on a separate page (HTML document) and hyperlinked.
>
> HTH,
> Jonathan
>
>
> -----Original Message-----
> From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ketty 
> Ombadykow via BlindMath
> Sent: Wednesday, April 17, 2024 6:38 AM
> To: blindmath at nfbnet.org
> Cc: Ketty Ombadykow <mko30 at echo.rutgers.edu>; RADR AFT 
> <radr.aft at echo.rutgers.edu>; Jason Khurdan <jkhurdan at oit.rutgers.edu>; 
> Michelle Meyer <michelle.meyer at rutgers.edu>
> Subject: [BlindMath] Need help with recommendations for Comp Sci 
> course requirements
>
> Hello Everyone,
> I work at Rutgers University responsible for remediating course 
> materials
for accessibility for students who use screen readers.  I joined this
listserv a little while ago to learn from you all about what tools,
preferences, methods, and whatever I can glean from your discussions to help
provide accessible materials for our students.
>
> This Fall 2024 I have a new transfer student who is taking 3 math and
computer science courses (which I have handled before with the Professors
providing their Latex files for handouts, homework and exams which we
converted to HTML with Mathjax, and ppt files early to alt text).
>
> The Fall Comp Sci course requires learning HTML and flowcharting. The 
> syllabus asks for Flowcharting software:
>
>    *   Draw.io is available free online (https://app.diagrams.net/ )
>    *   Optional: Flowcharting software Flowgorithm is available for free
download only for Windows machines (http://flowgorithm.org/)
>    *   MS Word can also generate flowcharts, but some students find it
more cumbersome to utilize
> JavaScript software
> (You will be writing JavaScript programs so you will need software to 
> do that!)
>
>    *   https://js.do/ on-line JavaScript Editor
>    *   Other JavaScript/HTML Editors to download if you prefer:
>       *   Visual Studio Code
>       *   Atom Text Editor
>       *   Sublime
>       *   Codepen.io
>       *   Notepad++ (Windows only) - Available in Rutgers' Computer Labs
>
> QUESTIONS:
>
>    1.  What do you use to build a flowchart, say for designing code?
>    2.  Would any of you have any input on which, if any, of these
flowcharting software above are accessible for the screen reader student? Is
there a preference? Are there "watch out" tips?
>    3.  For a JavaScript Editor, are any provided in the list above
accessible? If not, what do you use?
>    4.  For Calculus and Statistics courses, do you prefer getting them 
> in
HTML? MS Word with math equation editors?
>
> Any and all input would be greatly appreciated!
>
> Best Regards,
> Ketty
>
> M. Ketty Ombadykow, M. Ed., M.S.| Alternate Format Text/Assistive 
> Technology Rutgers University | Rutgers Access & Disability Resources
> (RADR) Liberty Plaza, Suite 1250, 335 George Street, New Brunswick, NJ
> 08901
> Office: (848)-445-4431 | RADR main:  (848)-445-4499 
> radr.aft at echo.rutgers.edu<mailto:radr.aft at echo.rutgers.edu> | 
> https://radr.rutgers.edu/<https://radr.rutgers.edu/>
>
> This e-mail message and any attachment to this e-mail message contains
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> _______________________________________________
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>
>
--
Rich Caloggero
Accessibility Specialist
Disability and Access Services
Massachusetts Institute of Technology




------------------------------

Message: 4
Date: Thu, 18 Apr 2024 09:49:25 +1000
From: <peter.julien.rayner at gmail.com>
To: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: [BlindMath] TikZ tutorials
Message-ID: <26144.24581.169242.52278 at gargle.gargle.HOWL>
Content-Type: text/plain; charset=us-ascii

Firstly, for those who don't know, tikz/pgf is a hierarchy of packages built
on top of TeX/LaTeX to enable programmatic drawing of diagrams.
It's a remarkable piece of engineering and its integration with LaTeX (and
hence beamer) was like a gift from the gods for me when I was lecturing a
lot. I did, however, find little tutorial material on it when I was
learning. Thankfully the manual itself is well structured and informative.
My other early source was from Overleaf, the collaborative LaTeX platform
... and then there's always StackExchange for specific questions.
Highly recommended
Peter



Michael Link via BlindMath writes:
>Hi there!
>
>Does anyone have any recommended tutorials to learn TikZ?
>
>Thanks!
>Michael
>_______________________________________________
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BlindMath:
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>ner%40gmail.com BlindMath Gems can be found at 
><http://www.blindscience.org/blindmath-gems-home>

--
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mobile +61 402 752 379 zoom id 4431343191, join at
<https://unimelb.zoom.us/j/4431343191?pwd=a1E5Z3JEOTRVQUJsaVdRbVUvR1QyZz09>
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------------------------------

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------------------------------

Message: 2
Date: Thu, 25 Apr 2024 11:15:48 +0000
From: tony k5twz.com <tony at k5twz.com>
To: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8
Message-ID:
 
<LV2PR19MB603147602D30951CE9CD57399E172 at LV2PR19MB6031.namprd19.prod.outlook.
com>

Content-Type: text/plain; charset="us-ascii"

I ould like to take this course if it is given again or is recorded.

By the time I heard of it it was filled.

Tony


-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ken Perry via
BlindMath
Sent: Thursday, April 25, 2024 6:11 AM
To: 'Blind Math list for those interested in mathematics'
<blindmath at nfbnet.org>
Cc: kperry at blinksoft.com
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8



I am teaching a course of over 80 blind coders with Visual studio coder and
Python right now as a 100% blind person and it is the best IDE out for
languages like Javascript and python.   If your going for something like
Java, Kotlin, then I would go Intelli-j.    Oh incase people are wondering
we had 150 blind / low vision when we started but the terminal, github, and
the IDE  were to much for many students which is sad.  A lot of the trouble
is just getting setup.


-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Robin Williams
via BlindMath
Sent: Friday, April 19, 2024 5:25 AM
To: Blind Math list for those interested in mathematics
<blindmath at nfbnet.org>
Cc: Robin Williams <Robin.Williams at atass-sports.co.uk>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8

Hi,

Just to follow up on a couple of points:
VSCode is a very accessible tool, and I'm sure it would provide a good
experience when editing Javascript, as well as many other languages. There
is a bit of a learning curve, but in my opinion it's not too steep for code
editing. Microsoft also provide good documentation.

I haven't usedMathpix in the way you suggest, but I have had some real
success using it to generate accessible HTML from previously inaccessible
PDFs. At $50 yearly it is well worth the subscription, in my opinion. It is
unfortunate that the desktop app is inaccessible for screen reader users.
With some patience it is possible to use through the web interface, but the
best option is to use the command line interface. This requires installing
the NodeJS package manager, and then simply following the instructions on
the Mathpix site.

Your suggestions for accessing graphs are all valid. Something we should
also keep in mind are the increasing possibilities to use AI to generate
detailed descripitions, with the caveat that they could on occasion be
inaccurate. The functionality now built in to JAWS, which I believe can also
be obtained via an NVDA add on, looks promising in this regard, and I'm sure
it will only improve over time.

All the best,
Robin

-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ketty Ombadykow
via BlindMath
Sent: Thursday, April 18, 2024 5:31 PM
To: blindmath at nfbnet.org
Cc: Ketty Ombadykow <mko30 at echo.rutgers.edu>; RADR AFT
<radr.aft at echo.rutgers.edu>
Subject: Re: [BlindMath] BlindMath Digest, Vol 213, Issue 8

Thank you to those who provided feedback to the Rutgers University questions
about accessible flowcharting software and  JavaScript Editor, and
accessible math format.

We really appreciate all feedback.

Jonathan Godfrey,  we'll look into the Quatro and Mermaid editors.

For Calculus,
1) Hope professor will provide Latex files, then we can convert to HTML with
Mathjax, as we have done this before.
2) there are many GRAPHS to illustrate the math: any preference or suggested
method to provide the graphs accessibly: tactiles or alt text or use the
accessible scientific graphing calculator (which may not identified shaded
areas of graphic)?

For his Statistics class,
it looks like the math notation is not as dense. The professor may use the
Word equation editor or MathType to insert the typed math. We can ask for
the original Word files and convert to HTML with mathjax.

Have any of you used MathPix to insert the math into Word files and read the
math in the WORD file with MathCat (integrated now in NVDA, soon to be
supported in JAWS)?
Or Equatio?

Thank you all again for your guidance.
 Best Regards,
Ketty

 M. Ketty Ombadykow, M. Ed., M.S.| Alternate Format Text/Assistive
Technology Rutgers University | Rutgers Access & Disability Resources (RADR)
Liberty Plaza, Suite 1250, 335 George Street, New Brunswick, NJ 08901
Office: (848)-445-4431 | RADR main:  (848)-445-4499
radr.aft at echo.rutgers.edu<mailto:radr.aft at echo.rutgers.edu> |
https://radr.rutgers.edu/<https://radr.rutgers.edu/
-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of
blindmath-request at nfbnet.org
Sent: Thursday, April 18, 2024 8:00 AM
To: blindmath at nfbnet.org
Subject: BlindMath Digest, Vol 213, Issue 8

Send BlindMath mailing list submissions to
        blindmath at nfbnet.org

To subscribe or unsubscribe via the World Wide Web, visit
        http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org
or, via email, send a message with subject or body 'help' to
        blindmath-request at nfbnet.org

You can reach the person managing the list at
        blindmath-owner at nfbnet.org

When replying, please edit your Subject line so it is more specific than
"Re: Contents of BlindMath digest..."


Today's Topics:

   1. Re: I need help with vectors and electric field (Jonathan Fine)
   2. TikZ tutorials (Michael Link)
   3. quarto as substitute for jupyter notebook (Rich Caloggero)
   4. TikZ tutorials (peter.julien.rayner at gmail.com)


----------------------------------------------------------------------

Message: 1
Date: Wed, 17 Apr 2024 15:07:31 +0100
From: Jonathan Fine <jfine2358 at gmail.com>
To: Abdulqadir Ahmad <arfs6.mail at gmail.com>
Cc: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: Re: [BlindMath] I need help with vectors and electric field
Message-ID:
        <CALD=Yf9By5SpkM06EXi9LpKKxf8orauw+-FgbfyzfzAtdisQZQ at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Hi Abdulqadir

A force has a magnitude and a direction. Coulomb's law has two parts. The
first part gives the magnitude of the force. The second part gives the
direction of the force.

In plane Cartesian coordinates we can write the force as a vector. For
example, (1, 0) is a unit force to the x-direction, and (0, 1) is a unit
force in the y-direction.

We can add forces by adding components. So (1,0) + (0,1) = (1, 1).

Now, (1, 1) is a diagonal force, with equal components in the x and y
directions. The magnitude of this force is given by Pythagorus theorem. It
is the square root of the sum of the square of the magnitudes. In this case
it is the square root of 2, which is about 1.414.

Suppose we have charged particles at (0,0) and (1,1) and the charges are
such that Coulomb's law gives a force of magnitude one. What is the
resulting vector, in plane Cartesian coordinates? Well, its direction is on
the diagonal line from (0, 0) to (1, 1). But it is not (1, 1), because that
has magnitude 1.414.

There are two correct answers. The first is approximately (0.707, 0.707).
This has magnitude one. The other is the equal but opposite force (-0.707,
-0.707). It may help to remember that 0.7 squared is 0.49, which is almost a
half.

I hope this helps you find the calculation needed to solve your problem.
Remember that in Physics a force has a magnitude and a direction. The
magnitude of the sum of two forces depends on their magnitudes, and also on
the angle between their directions. The simplest example is 1 + 1 = 2 and 1
- 1 = 0. For 1+ 1 the angle is zero, and for 1 - 1 the angle is 180 degrees.

I hope this helps. For sighted persons I would draw a diagram to engage with
the visual imagination.

with kind regards

Jonathan


------------------------------

Message: 2
Date: Wed, 17 Apr 2024 10:11:15 -0400
From: Michael Link <michael at michaellink.org>
To: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: [BlindMath] TikZ tutorials
Message-ID:
        <CAOjzk6aszeEitrn7AthE=iDepREbrBJt=feeBkTt3iSrkxYBJg at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Hi there!

Does anyone have any recommended tutorials to learn TikZ?

Thanks!
Michael


------------------------------

Message: 3
Date: Wed, 17 Apr 2024 11:46:38 -0400
From: "Rich Caloggero" <rjc at mit.edu>
To: Jonathan Godfrey <A.J.Godfrey at massey.ac.nz>, Blind Math list for
        those interested in mathematics <blindmath at nfbnet.org>
Subject: [BlindMath] quarto as substitute for jupyter notebook
Message-ID: <0d662255-f5e9-3c2a-5f05-4ed4fa248030 at mit.edu>
Content-Type: text/plain; charset=UTF-8; format=flowed

Actually, this is very nice. To get this setup using quarto and observable
(a javascript runtime which works particularly well for notebook type
environments), do the following:


1. download quarto:

https://github.com/quarto-dev/quarto-cli/releases/tag/v1.4.553


2. Paste the following simple document into a file with extension ".qmd"
and run the command "quarto preview simple.qmd"

This will create an html document, run a local web server and run your
default browser with that document loaded from the server, and watch source
files for changes. You can modify the document in your favorite text editor,
or whatever tool you use for document creation and it will be reflected in
the browser upon save.


Use the render command to render to a file, but note that it must be viewed
through a web server, rather than a local file:// URL.


Here is a very simple source doc (cut here):


---
title: "Quarto Basics"
format:
 ? html:
 ??? code-fold: true
---

The exponentiation operator in javascript is written as shown below:

```{ojs}
a = 27;
b = 7;
a ** b;
```



On 4/16/2024 4:19 PM, Jonathan Godfrey wrote:
> Hello.
>
> If it isn't HTML, then what alternatives do you propose? MS Word files
can't be made as accessible; pdf from LaTeX is not even close, leaving you
with the source files or HTML as the only viable alternatives.
>
> If you use HTML, then you can use MathJax for equations, it is easy to
protect code blocks with useful tools to play with the code, and so much
more.
>
> You could investigate Quarto as a markdown flavour which is a 
> substitute
for Jupyter notebooks. It is also great for R as well.
>
> Quarto is not the only way to make use of markdown based tools such as
mermaid for flow charts.
>
>
> Perhaps the major advantage HTML has is that you do not need 
> everything to
be in one file. Elements that need a different workflow (such as flow
charts) could be put on a separate page (HTML document) and hyperlinked.
>
> HTH,
> Jonathan
>
>
> -----Original Message-----
> From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Ketty 
> Ombadykow via BlindMath
> Sent: Wednesday, April 17, 2024 6:38 AM
> To: blindmath at nfbnet.org
> Cc: Ketty Ombadykow <mko30 at echo.rutgers.edu>; RADR AFT 
> <radr.aft at echo.rutgers.edu>; Jason Khurdan <jkhurdan at oit.rutgers.edu>; 
> Michelle Meyer <michelle.meyer at rutgers.edu>
> Subject: [BlindMath] Need help with recommendations for Comp Sci 
> course requirements
>
> Hello Everyone,
> I work at Rutgers University responsible for remediating course 
> materials
for accessibility for students who use screen readers.  I joined this
listserv a little while ago to learn from you all about what tools,
preferences, methods, and whatever I can glean from your discussions to help
provide accessible materials for our students.
>
> This Fall 2024 I have a new transfer student who is taking 3 math and
computer science courses (which I have handled before with the Professors
providing their Latex files for handouts, homework and exams which we
converted to HTML with Mathjax, and ppt files early to alt text).
>
> The Fall Comp Sci course requires learning HTML and flowcharting. The 
> syllabus asks for Flowcharting software:
>
>    *   Draw.io is available free online (https://app.diagrams.net/ )
>    *   Optional: Flowcharting software Flowgorithm is available for free
download only for Windows machines (http://flowgorithm.org/)
>    *   MS Word can also generate flowcharts, but some students find it
more cumbersome to utilize
> JavaScript software
> (You will be writing JavaScript programs so you will need software to 
> do that!)
>
>    *   https://js.do/ on-line JavaScript Editor
>    *   Other JavaScript/HTML Editors to download if you prefer:
>       *   Visual Studio Code
>       *   Atom Text Editor
>       *   Sublime
>       *   Codepen.io
>       *   Notepad++ (Windows only) - Available in Rutgers' Computer Labs
>
> QUESTIONS:
>
>    1.  What do you use to build a flowchart, say for designing code?
>    2.  Would any of you have any input on which, if any, of these
flowcharting software above are accessible for the screen reader student? Is
there a preference? Are there "watch out" tips?
>    3.  For a JavaScript Editor, are any provided in the list above
accessible? If not, what do you use?
>    4.  For Calculus and Statistics courses, do you prefer getting them 
> in
HTML? MS Word with math equation editors?
>
> Any and all input would be greatly appreciated!
>
> Best Regards,
> Ketty
>
> M. Ketty Ombadykow, M. Ed., M.S.| Alternate Format Text/Assistive 
> Technology Rutgers University | Rutgers Access & Disability Resources
> (RADR) Liberty Plaza, Suite 1250, 335 George Street, New Brunswick, NJ
> 08901
> Office: (848)-445-4431 | RADR main:  (848)-445-4499 
> radr.aft at echo.rutgers.edu<mailto:radr.aft at echo.rutgers.edu> | 
> https://radr.rutgers.edu/<https://radr.rutgers.edu/>
>
> This e-mail message and any attachment to this e-mail message contains
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> _______________________________________________
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>
>
--
Rich Caloggero
Accessibility Specialist
Disability and Access Services
Massachusetts Institute of Technology




------------------------------

Message: 4
Date: Thu, 18 Apr 2024 09:49:25 +1000
From: <peter.julien.rayner at gmail.com>
To: Blind Math list for those interested in mathematics
        <blindmath at nfbnet.org>
Subject: [BlindMath] TikZ tutorials
Message-ID: <26144.24581.169242.52278 at gargle.gargle.HOWL>
Content-Type: text/plain; charset=us-ascii

Firstly, for those who don't know, tikz/pgf is a hierarchy of packages built
on top of TeX/LaTeX to enable programmatic drawing of diagrams.
It's a remarkable piece of engineering and its integration with LaTeX (and
hence beamer) was like a gift from the gods for me when I was lecturing a
lot. I did, however, find little tutorial material on it when I was
learning. Thankfully the manual itself is well structured and informative.
My other early source was from Overleaf, the collaborative LaTeX platform
... and then there's always StackExchange for specific questions.
Highly recommended
Peter



Michael Link via BlindMath writes:
>Hi there!
>
>Does anyone have any recommended tutorials to learn TikZ?
>
>Thanks!
>Michael
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--
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mobile +61 402 752 379 zoom id 4431343191, join at
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