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Category Archives: mathematics
Friday Math Movie – Uncounted – squareCircleZ
Given that the theme for Math Awareness Month this April is Math and Voting, this week’s choice by Murray Bourne seems particularly appropriate: Friday Math Movie – Uncounted – squareCircleZ
Posted in mathematics, politics
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Green Globs & Graphing Equations Home Page
Green Globs & Graphing Equations Home Page
Posted in education, mathematics
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The Hyberbolic Crochet Coral Reef Project
“Holding theorems in their hands” is a blog post about the Hyperbolic Crochet Coral Reef Project. It’s a wonderful story about collaboration on many levels and across many interest groups – and with beautiful images to boot. I saw it … Continue reading
Posted in arts and culture, biology, mathematics
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Times Less
In Do the math – The Boston Globe columnist Jan Freeman dismisses objections to the common usage of “three times less than” to mean equal to one third of. But the MerriamWebster editors (per JF) are completely off base if … Continue reading
Posted in education, language, mathematics
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Cave Man DidnT Have Classrooms
I got this post by Roger Schank via Stephen Downes and share Stephen’s concern with some of its polemical conclusions. The following counterpoint to Schank’s article may be a bit silly, but no more so than the original.
Posted in education, mathematics
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Probability of Occurring by Chance
In this post at squareCircleZ, Professor Bruce Armstrong from the Sydney Cancer Centre at the University of Sydney is quoted as saying “The probability the that increase is due simply to chance is about one in a million so we … Continue reading
Posted in mathematics, science, statistics
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squareCircleZ » Zipf Distributions, loglog graphs and Site Statistics
squareCircleZ » Zipf Distributions, loglog graphs and Site Statistics
Posted in mathematics
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mathschallenge.net
mathschallenge.net Fundamental Theorem of Arithmetic
Posted in education, mathematics, web
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squareCircleZ » Another semilog graph from Alexa – imeem
squareCircleZ » Another semilog graph from Alexa – imeem
Posted in education, mathematics
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OLPC&CoL
This from Stephen Downes is, for me, a reminder to consider whether any of my stuff might be useful One Laptop Per Child and/or the Commonwealth of Learning.
Posted in education, mathematics, web
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UK vs Chinese Math Tests
BBC NEWS reports British chemists as pointing out the difference between an admission test for Chinese science undergrads and a UK university’s diagnostic test for incoming students. But perhaps they are comparing Chinese apples with British oranges (or vice versa?) … Continue reading
Posted in education, mathematics
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squareCircleZ on Biorhythms
In squareCircleZ » Trig graphs – how do you feel today?, Murray Bourne at squareCircleZ has a nice Flash gizmo to show biorhythm graphs and links to a site debunking their validity. Actually I think a nice lesson based on … Continue reading
Posted in education, mathematics
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Math Awareness Month
April is Mathematics Awareness Month and this year the American Mathematical Society, the American Statistical Association, the Mathematical Association of America, and the Society for Industrial and Applied Mathematics have announced that the theme for Mathematics Awareness Month 2007 is … Continue reading
Posted in education, mathematics
1 Comment
Hours of Daylight
Thanks to Zac at squareCircleZ for pointing out the dawn and dusk graphs at Gaisma as reallife examples of approximate sine graphs. In fact the true time of noon appears to oscillate slightly with a 6 month period so that … Continue reading
Posted in education, mathematics
1 Comment
Phase Shift
Phase, Frequency, Amplitude, and all that.. is an example of a university math course adopting the convention that identifies “phase shift” as angular shift as opposed to horizontal displacement or “time shift” And at the time of this posting, the … Continue reading
Posted in education, mathematics
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Phase Shift or Phase Angle?
Murray Bourne at squareCircelZ has taken the time to respond to a comment I made on one of his interactive math pages, so I thought I should make an effort to explain my concern in a bit more detail. In … Continue reading
Posted in education, mathematics
2 Comments
Wrong Problem, Wrong Solution
This posting by Roger Shank (found via Stephen Downes) uses widespread ignorance of the quadratic formula by successful people as evidence that mathematics requirements in our schools are excessive. But I know that in BC it is quite possible to … Continue reading
Posted in education, mathematics
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squareCircleZ � When am I gonna use this stuff?
squareCircleZ � When am I gonna use this stuff?
Posted in education, mathematics, uncategorized
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Philosophy of Real Mathematics: Dawid on probabilities
Philosophy of Real Mathematics: Dawid on probabilities
Posted in mathematics
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Producing mathematics for the Web
Producing mathematics for the Web is a posting by Zac in Singapore on his ‘squareCircleZ’ blog about the tools he uses to produce his Interactive Mathematics website
Posted in mathematics, web
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