29 June, 2012
Volume 17 No. 26
Friend us on Facebook   Read and comment on our Blog   Follow us on Twitter

In This Issue

QAMA Calculator

Naming Symmetries for Charity

Toshiba America Foundation Grants


Online PD

Orientation Sessions

Problem Based Learning Courses

Graduate Credit:
Mathematics Teaching and Learning Certificate

Master's Degree


QAMA Calculator


A calculator that "thinks only if you think, too," QAMA requires the operator to first enter a reasonable estimate.

QAMA encourages rounding and rapid back-of-the-envelope reckoning, but does not tolerate errors of magnitude or sign, or of basic operations with single digits.

Ilan Samson, "inventor-in-residence" at the California Institute for Telecommunications and Information Technology (Calit2) at the University of California, San Diego, purposely priced his device low to motivate routine use, and get people "into the habit of never calculating without thinking and understanding," irrespective of their ages.

Learn more about QAMA's scope, tolerances, built-in "alert" system that flashes red lights when in "non-thinking" (conventional calculator) mode, and other special features at the qamacalculator.com site, now accepting its first orders.

Now taking place: math education conversation of the day

"A couple of days ago I logged into Facebook to see that 4 of my friends all had a birthday that day. Being the nerd that I am, I immediately tried to figure out the probability of this occurrence. I have run through a couple of scenarios, (binomial and 493 simultaneous independent events) both of which have much smaller probabilities than I would have thought. I also tried applying the birthday paradox logic, but just confused myself, so I thought I would throw it out there for some summer fun."
- Heather, posted to the ap-stat discussion

Naming Symmetries for Charity


An Oxford mathematician has discovered some significant new symmetrical objects — and for a donation of £10, you can name them.

Donations go to Common Hope, an educational charity supporting and empowering children and their families in Guatemala through education. See the list of previous donors, learn more about certificates issued and autographed by mathematician Marcus du Sautoy, and more.

Sautoy serves the University of Oxford as its Charles Simonyi Professor for the Public Understanding of Science and Professor of Mathematics.

Now taking place: math education conversation of the day

"Finland is the current fashionable flavor for math, yet their language is truly atrocious for counting. The number 18 is kahdeksantoista, meaning '8 of the second,' which is perhaps sillier than our dyslexic 'eighteen.' I am not optimistic any arithmetic simplifiers will catch on in the USA as it, Liberia, and Myanmar refuse to embrace base ten."
- Jonathan, posted to the math-teach discussion

Toshiba America Foundation Grants


Passionate about making mathematics more engaging for your students in grades 6-12? The Toshiba America Foundation is currently accepting applications for grants of more than $5,000.

See the Toshiba America Foundation site for past recipients, teacher resources, and more — and apply before the deadline of Wednesday, 1 August!


This newsletter is provided as a service of The Math Forum, an online educational community for mathematics hosted by Drexel University, Philadelphia, PA.

You're receiving this e-mail because you are subscribed to the newsletter. This is a recurring mailing. You have the option to receive this newsletter in either html or plain text formats. To unsubscribe from future mailings, change your subscription, or browse all newsletters, please see our newsletter web archive.

The Math Forum is also home to Ask Dr. Math, Problems of the Week, MathTools, Teacher2Teacher, the Internet Math Library, math discussion groups, and over 1,000,000 pages of mathematics information and discussions.

Texas Instruments
is a sponsor of
the Math Forum

Copyright © 2012 Drexel University. All Rights Reserved. 800-756-7823
Contact Us
| Back Issues | Subscribe/Unsubscribe