Winston Ewert
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 Mar15 comment Calculating pi manually And what do you think the math police will do to you if you assume that pi is normal without proof? Sep24 awarded Autobiographer Aug10 comment The Monty Hall problem @augurar, clever! If you know something about the how the host will pick the door, you can glean information from his choice. Thanks for pointing that out to me. Aug9 comment The Monty Hall problem @augurar, how does that matter? Since neither of the other doors are winner, isn't the same regardless of which door is opened? Jul28 comment Why is it that if I count years from 2011 to 2014 as intervals I get 3 years, but if I count each year separately I get 4 years? @landroni, I think its because May is now two months ago. Nov29 awarded Teacher Sep21 awarded Editor Sep21 revised Sieve of Erathosthenes - when can I stop crossing out? deleted 1 characters in body Sep21 answered Sieve of Erathosthenes - when can I stop crossing out? Aug5 comment Average of all 6 digit numbers that contain only digits $1,2,3,4,5$ @progo, that would imply that there are two 3333333's in the summation. But that's not correct. Mar1 comment $xy=1 \implies$minimum $x+y=$? Why would you go for advanced calc methods rather then taking the derivative of x + 1/x? Jul3 awarded Supporter Mar15 comment How to convert between base-10 and base-26? there are two parts to this problem. Firstly, you need to calculate pi to an arbitrary precision. Secondly, you need to convert to base 26. Which one gives you trouble? Feb6 comment The Monty Hall problem I'd suggest that the question is ambiguous as commonly stated. It doesn't specify whether the teacher selected a door at random which just happened to have a donkey behind it, or if the teacher deliberately selected a door with a donkey behind it.