Stargazer Posted August 3, 2017 Posted August 3, 2017 (edited) I saw this T-shirt for sale today: And it got me to think -- here's something that not even God knows: what are the last four digits of Pi? Or does He? Edited August 3, 2017 by Stargazer 4
strappinglad Posted August 3, 2017 Posted August 3, 2017 Well, they are out to several billion places now with no end in sight, however I still hold out hope that one of these days they will run into a string of 1415926... 2
longview Posted August 4, 2017 Posted August 4, 2017 square of minus one - imaginary? or does God have a better notation?
Stargazer Posted August 4, 2017 Author Posted August 4, 2017 1 hour ago, longview said: square of minus one - imaginary? or does God have a better notation? No, the square of minus one is an integer: +1. I think you mean the square root of minus one.
longview Posted August 5, 2017 Posted August 5, 2017 4 hours ago, Stargazer said: No, the square of minus one is an integer: +1. I think you mean the square root of minus one. I was a math major and I am SO embarrassed. thanks!
strappinglad Posted August 5, 2017 Posted August 5, 2017 For a bit of silliness used as a mnemonic device for remembering the formula for the Area of a circle , I would say to the students," " Pi r squared " No they're not . They are round , with the possible exception of deep apple pie . " For fun I just googled pi and from wiki read about the history of the calculation of pi. Bogle, bogle bogle , mind stretched,
Stargazer Posted August 5, 2017 Author Posted August 5, 2017 (edited) 1 hour ago, strappinglad said: For a bit of silliness used as a mnemonic device for remembering the formula for the Area of a circle , I would say to the students," " Pi r squared " No they're not . They are round , with the possible exception of deep apple pie . " For fun I just googled pi and from wiki read about the history of the calculation of pi. Bogle, bogle bogle , mind stretched, The amazing thing about pi is that it is involved in the oddest things. An example is how it is used in Gaussian probability law. Why would the ratio of the diameter of a circle to its circumference have anything to do with statistics? Odd, but it does! Edited August 5, 2017 by Stargazer
thesometimesaint Posted August 5, 2017 Posted August 5, 2017 If the sum of the digits adds up to 9 the number is divisible by 9.
Amulek Posted August 5, 2017 Posted August 5, 2017 On 8/3/2017 at 1:19 PM, Stargazer said: I saw this T-shirt for sale today: [...] A lot of what I consider to be 'geek' apparel makes an effort to be funny but usually fails...miserably. This is a nice exception to that trend.
Stargazer Posted August 6, 2017 Author Posted August 6, 2017 8 hours ago, Amulek said: A lot of what I consider to be 'geek' apparel makes an effort to be funny but usually fails...miserably. This is a nice exception to that trend. Rick Cook, a programmer turned novelist, once wrote a series of SF/Fantasy novels about the adventures of a team of programmers who had been sucked into a world where magic was real -- and could be programmed! It was called the Wizardry series. It was the ultimate geek fantasy series, with dragons, dire wolves, and all manner of odd creatures. In the third novel, one of the programmers, Jerry, is drawing a pentagram on the floor of a room intended to contain a demon that generated electricity for an actual computer (a Cray stolen from our world). In the magic of the world, a pentagram is used to contain potentially dangerous magical creatures. To draw the pentagram, he tacked a string to a spot on the floor, and used it to draw a circle. Moira, a wizardress who was native to the world, told him that it didn't look like a pentagram to her, but Jerry replied that "It approaches a pentagram for sufficiently large values of 5." I don't know why exactly, but in context it was hilarious. You had to be there, I guess. I'd love to put that on a t-shirt, but it would certainly not work very well. https://www.amazon.com/dp/B00BER5FS0
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