Archive for January, 2008
« Previous EntriesMathematical trick #1: multiplying a pair of numbers in the 90s
Monday, January 7th, 2008
The performance
You ask for two random numbers in the nineties. (You needn’t let on in advance what you intend to do with the numbers). Perhaps, 93 and 98 are given. Almost immediately, you could write:
93 × 98 = 9114
You have no difficulty writing the answer from left-to-right rather than right-to-left. In other words, you are […]
30-day trial 1: daily sprints and weekly incremental jog
Sunday, January 6th, 2008One of my many resolutions for 2008 is to run a half marathon - possibly the St Neots half marathon. This is something I’ve wanted to do for quite some time but never been truly committed to. Although I enjoy jogging, I tend to jog regularly for a few months but lose interest during […]
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