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Monthly Archives: February 2013
Solution to the conversionkicking problem
Remember Regiomontanus’s rugby problem? Expressed in geometrical terms, the task was this: given two points A and B (the goalposts) and a third point T (the location of the try) lying on the same straight line, find a point P … Continue reading
Posted in Puzzles
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Link for the week: Fermat on Radio 4
Well, not actually Pierre de Fermat on Radio 4: venerable as the BBC is, its archives don’t quite go back as far as that. (A pity: his Desert Island Discs might have been quite interesting.) But here’s a link to … Continue reading
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Link for the week: two rather useful sites
Many of you will probably already be aware of a couple of the web’s most useful mathematical resources, but in case you’re not, here they are. Both are provided by Stephen Wolfram’s Wolfram Research, who are the manufacturers of Mathematica, … Continue reading
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Puzzle: kicking the conversion
In honour of the Six Nations rugby tournament currently taking place, here’s a problem in plane geometry loosely inspired by one of the many dilemmas facing a rugby player. For those unfortunate enough not to be familiar with the sport: … Continue reading
Solution to the summing problem
Remember that wee summing problem we introduced last week? The task was to prove that , where . How you prefer to tackle problems like this will depend on your mathematical “personality” and on the tools you have available. For … Continue reading
Link for the week: being a professional mathematician
So… what do “mathematicians” actually do all day? If you’ve ever wondered about this, whether it’s in the context of academic mathematicians or mathematicians working in industry, you might like to look at the Being a Professional Mathematician site. It … Continue reading
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Fair shares and pieces of pizza
I’m grateful to Dr Richard Morrison for calling my attention to a worthy addition to the mathematics of food and drink. It’s one of several nice problems in pizza slicing; this one was originally posed by Prof. Peter Winkler in … Continue reading
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