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Reply to "Car Talk Puzzler: Course Measurement Data Edition"

Pete,

The postcal numbers were a puzzler to me. So I asked. Mark explained it this way:

quote:
When I calibrate I always roll the counter forward to the next 1000. So the starting counts for my 4 rides were 264000, 268000, 272000, and 276000. I write down the first final number, say 267559, and then for the next 3 I just have to remember the last two digits. I can tell immediately if there is any kind of problem with my numbers, and it is easier to enter into my spreadsheet since the starting counts on my sheet for the second, third, and fourth rides are formulas that add 4000 to the previous starting number.


Thank you. -- Justin
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