Search results
"tag:math"
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Friday Math Quiz: Show That ...
I went to a mini-reunion with a few friends from my high school class up in Chicago last weekend (and got caught in the blizzard on the way back, but that's another story.) I was reminded of the math that we did in high school, and what fun and challenge ... |
Dec 17, 2010 7:34:50 AM |
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High School Mathematics Education
The state of high school education is a hot topic among some of my friends and colleagues. I have heard older people say that the US high school education, especially mathematics and sciences, has declined considerably over the past fifty years. I've ... |
Mar 18, 2008 7:20:22 PM |
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Real World Arithmetic On The Abacus, Part III: Division
Continuing with the abacus theme two and three days ago, we move on the division today. (You can compare my traditional approach to MarkCC's approach.) Division Abacus division is the inverse of abacus multiplication in a lot of ways: in ... |
Oct 5, 2006 11:59:37 PM |
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Real World Arithmetic On The Abacus, Part II: Subtraction, Multiplication
Continuing with the abacus theme yesterday, we move on to subtraction and multiplication today. Subtraction Subtraction on the abacus is the mechanical reversal of addition, as can be seen through the subtraction rhymes: one down one one up four off ... |
Oct 3, 2006 10:30:44 PM |
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Real World Arithmetic On The Abacus, Part I: Addition
Mark C. Chu-Carroll at the Good Math, Bad Math blog is writing a series entries on manual computing devices. He's done with the slide rules and on to the abacus. As someone who grew up with the abacus, I think I can add some real world feel to Mark's ... |
Oct 3, 2006 12:39:46 AM |
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String 2006
(I know some readers of this blog are interested in string theory.) Not Even Wrong: Slides from the talks at Strings 2006 are now available. Steven Hawking is always a good read. And Edward Witten is always interesting. Unreleated to the topic of ... |
Jun 27, 2006 12:53:49 AM |
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Happy PI Day
How could one miss this? It's PI day today. Here's a slow converging approximation of PI: [weiqi@gao] $ cat PI.java public class PI { public static void main(String[] args) { double sum = 0.0d; for (int i = 1; i javac PI.java [weiqi@gao] $ ... |
Mar 15, 2006 12:37:02 AM |
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Happy PI Day
How could one miss this? It's PI day today. Here's a slow converging approximation of PI: [weiqi@gao] $ cat PI.java public class PI { public static void main(String[] args) { double sum = 0.0d; for (int i = 1; i javac PI.java [weiqi@gao] $ ... |
Mar 14, 2006 2:40:29 PM |