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Math Forum Internet News

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Registered: 3/1/05
Newsletter: Math Forum Internet News No. 17.41 (12 Oct 12)
Posted: Oct 12, 2012 12:20 PM
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12 October, 2012 Vol. 17, No. 41

THE MATH FORUM @ DREXEL INTERNET NEWS

Speak Up | STEMworks | Symbolab

***************************************************************
Register now for the T^3 International Conference in
Philadelphia, March 8-10, 2013.
Come celebrate 25 years of
connecting teachers and technology!

http://education.ti.com/educationportal/sites/US/nonProductSingle/pd_t3_international_philadelphia.html#page=page-1
***************************************************************

SPEAK UP 2012

http://www.speakup4schools.org/speakup2012/

This annual survey facilitated by Project Tomorrow gives
individuals the opportunity to share their viewpoints about
key educational issues -- and to influence local, state and
federal policies and programs.

Since the inaugural survey in 2004, when it went by the name
NetDay, millions of students, educators, and parents have
shared their views through this national online research
project. This year, the survey asks students about their use of
mobile tools, social networks and gaming as part of their
learning in and out of the classroom.

Participants may request survey data from previous years here:

http://www.tomorrow.org/speakup/speakup_your_data.html

Download sample survey questions, flyers, and other
promotional materials -- now available in Spanish -- to help
spread the word:

http://www.tomorrow.org/speakup/promo.html

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

PoW taking place: math problem-solving moment of the week

"Finding the answer was a long task that required a lot of
thinking. I first began brainstorming on how I could make this
problem simpler. There were four main reasons that make this
problem hard to figure out. First of all, ...."

- Justin, highlighted in the Geometry PoW's latest solution

http://mathforum.org/pows/solution.htm?publication=4126

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

STEMWORKS

http://changetheequation.org/improving-philanthropy/stemworks

The non-profit, non-partisan CEO-led initiative Change the
Equation (CTEq) has begun assembling a database of "programs
that deepen young people's learning in science, technology,
engineering and mathematics (STEM)."

Search for math among STEMworks' program content areas, and
further refine by grade level, geography, target discipline,
target audience, design principles, and types of program
such as

- teacher professional development
- hands-on/project-based
- college readiness
- informal/out of school

To recommend a successful exemplar for inclusion -- subject to
independent review by WestEd -- visit

http://changetheequation.org/stemworks/home/index.php

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

Now taking place: math education conversation of the day

"Wolfram|Alpha can handle Diophantine equations pretty easily
and can find integer solutions. But when the coefficients have
more digits, it cannot find integer solutions. Is there another
way to find integer solutions for equations like the above?"

- recoder, posted to the sci.math discussion group

http://mathforum.org/kb/thread.jspa?threadID=2408464

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

SYMBOLAB

http://symbolab.com/

A math search engine that considers the contextual meaning of
equations and expressions launched Monday.

Rather than return literally or visually similar matches,
Symbolab seeks out semantically similar results.

For example, Symbolab's proprietary machine learning
algorithms recognize that m refers to something different in
each of

- E = mc^2 (here, m acts as an independent variable)
- y = mx + b (a constant)
- $\sum _{m=1}^{\infty }\left(\frac{1}{m^2}\right)$
(an integer variable)

Similary, the semantic search interprets the query (x + y)^2 as
equivalent to (a + b)(a + b) and to p^2 + 2pq + q^2; but
distinguishes x2 as different from x^2 or from x_2.

In addition to an auto-completing text box, Symbolab invites
queries that mix text and symbols, such as
"proof a^n + b^n = c^n," thanks to its pad, which toggles among

- Greek letters
- operators
- differentials
- "accents" (vectors, hats, degrees, notation for set
theory and logic)

Results pages include computation and graphs, where applicable;
the left margin lets you refine results into categories such as
"encyclopedia," "lecture and practice," and "online books."

Symbolab also offers users of the Chrome and Firefox browsers a
Quick Search extension:

http://symbolab.com/extensions

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

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_o \o_ __| \ / |__ o _ o/ \o/
__|- __/ \__/o \o | o/ o/__/ /\ /| |
\ \ / \ / \ /o\ / \ / \ / | / \ / \

The Math Forum @ Drexel ** 12 October 2012

An archive of all the Math Forum newsletters
and directions for subscribing can be found at
http://mathforum.org/electronic.newsletter/
<head>
<title>The Math Forum Internet News</title>
</head>
<body>
<table width="800" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="105" background="http://mathforum.org/electronic.newsletter/images/all_top.gif">
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<td><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>12 October, 2012</strong></font></td>
<td><div align="right"><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>Volume 17 No. 41</strong></font></div></td>
<td width="30">&nbsp;</td>
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<p>
<font color="#003399" size="2" face="Verdana, Arial, Helvetica, sans-serif">
<strong>In This Issue</strong>
</font>
</p>

<!-- Start - Table of contents -->

<p><font size="2" face="Arial, Helvetica, sans-serif">Speak Up</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">STEMworks</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Symbolab</font></p>

<p>&nbsp;</p>

<p>
<img src="http://mathforum.org/pd/images/continuum.pd.jpg"; width=45><br />
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<!-- Start - Newletter content -->

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<p align="center">
<font color="#000000" size="1" face="Verdana, Arial, Helvetica, sans-serif">
If you prefer to receive a text-only version, please send a note to <a href="http://mathforum.org/electronic.newsletter/mfin.faq.html#feedback">the Math Forum Internet Newsletter editors</a> and we will subscribe you to that list.<br>
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</font>
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<p>
<font size="2" face="Arial, Helvetica, sans-serif">
<p><strong>
<font color="#003399">Speak Up</font>
</strong>
</p>
<p align="center">
<a href="http://www.speakup4schools.org/speakup2012/">http://www.speakup4schools.org/speakup2012/</a>
</p>
<p>
This annual survey facilitated by Project Tomorrow gives
individuals the opportunity to share their viewpoints about
key educational issues &mdash; and to influence local, state and
federal policies and programs.
</p>
<p>
Since the inaugural survey in 2004, when it went by the name
NetDay, millions of students, educators, and parents have
shared their views through this national online research
project. This year, the survey asks students about their use of
mobile tools, social networks and gaming as part of their
learning in and out of the classroom.
</p>
<p>
Participants may request survey data from previous years here:
</p>
<p align="center"><a href="http://www.tomorrow.org/speakup/speakup_your_data.html">http://www.tomorrow.org/speakup/speakup_your_data.html</a></p>
<p>
Download sample survey questions, flyers, and other
promotional materials &mdash; now available in Spanish &mdash; to help
spread the word:
</p>
<p align="center"><a href="http://www.tomorrow.org/speakup/promo.html">http://www.tomorrow.org/speakup/promo.html</a></p>
</font></p>

<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p align=center>
<dl>
<dt>
<i><font color="#003399">PoW taking place: math problem-solving moment of the week</font></i>
<p>
<dt>
"Finding the answer was a long task that required a lot of
thinking. I first began brainstorming on how I could make this
problem simpler. There were four main reasons that make this
problem hard to figure out. First of all, ...."
<dd>
- Justin, highlighted in the Geometry PoW's latest solution
<dd>
<a href="http://mathforum.org/pows/solution.htm?publication=4126">http://mathforum.org/pows/solution.htm?publication=4126</a>
</dl>
</p>
</font></p>
<hr>

<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">STEMworks</font></strong></p>
<p align="center">
<a href="http://changetheequation.org/improving-philanthropy/stemworks">http://changetheequation.org/improving-philanthropy/stemworks</a>
</p>
<p>
The non-profit, non-partisan CEO-led initiative Change the
Equation (CTEq) has begun assembling a database of "programs
that deepen young people's learning in science, technology,
engineering and mathematics (STEM)."

Search for math among STEMworks' program content areas, and
further refine by grade level, geography, target discipline,
target audience, design principles, and types of program
such as
</p>
<ul>
<li>
teacher professional development
</li>
<li>
hands-on/project-based
</li>
<li>
college readiness
</li>
<li>
informal/out of school
</li>
</ul>
<p>
To recommend a successful exemplar for inclusion &mdash; subject to
independent review by WestEd &mdash; visit
</p>
<p align="center"><a href="http://changetheequation.org/stemworks/home/index.php">http://changetheequation.org/stemworks/home/index.php</a></p>
</font></p>

<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p align=center>
<dl>
<dt>
<i><font color="#003399">Now taking place: math education conversation of the day</font></i>
<p>
<dt>
"Wolfram|Alpha can handle Diophantine equations pretty easily
and can find integer solutions. But when the coefficients have
more digits, it cannot find integer solutions. Is there another
way to find integer solutions for equations like the above?"
<dd>
- recoder, posted to the sci.math discussion group
<dd>
<a href="http://mathforum.org/kb/thread.jspa?threadID=2408464">http://mathforum.org/kb/thread.jspa?threadID=2408464</a>
</p>
</font></p>
</dl>
<hr>

<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Symbolab</font></strong></p>
<p align="center">
<a href="http://symbolab.com/">http://symbolab.com/</a>
</p>
<p>
A math search engine that considers the contextual meaning of
equations and expressions launched Monday.
</p>
<p>
Rather than return literally or visually similar matches,
Symbolab seeks out semantically similar results.
</p>
<p>
For example, Symbolab's proprietary machine learning
algorithms recognize that m refers to something different in
each of
</p>
<ul>
<li>
E = mc&sup2; (here, m acts as an independent variable)
</li>
<li>
y = mx + b (a constant)
</li>
<li>
$\sum _{m=1}^{\infty }\left(\frac{1}{m^2}\right)$
(an integer variable)
</li>
</ul>
<p>
Similary, the semantic search interprets the query <code><nobr>(x + y)^2</nobr></code> as
equivalent to <code><nobr>(a + b)(a + b)</nobr></code> and to <code><nobr>p^2 + 2pq + q^2</nobr></code>; but
distinguishes <code>x2</code> as different from <code>x^2</code> or from <code>x_2</code>.
</p>
<p>
In addition to an auto-completing text box, Symbolab invites
queries that mix text and symbols, such as
<code><nobr>proof a<sup>n</sup> + b<sup>n</sup> = c<sup>n</sup></nobr></code>, thanks to its pad, which toggles among
</p>
<ul>
<li>
Greek letters
</li>
<li>
operators
</li>
<li>
differentials
</li>
<li>
"accents" (vectors, hats, degrees, notation for set
theory and logic)
</li>
</ul>
<p>
Results pages include computation and graphs, where applicable;
the left margin lets you refine results into categories such as
"encyclopedia," "lecture and practice," and "online books."
</p>
<p>
Symbolab also offers users of the Chrome and Firefox browsers a
Quick Search extension:
</p>
<p align="center"><a href="http://symbolab.com/extensions">http://symbolab.com/extensions</a></p>
</font></p>

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