08-05-2009, 10:07 AM | #31 |
Grand Sorcerer
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08-05-2009, 10:34 AM | #32 | |
Final Five n°42
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The Geek Uprising, conquering the world one date setting at a time. |
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08-05-2009, 11:32 AM | #33 |
Wizard
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08-05-2009, 11:36 AM | #34 |
The Grand Mouse 高貴的老鼠
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Very well chosen examples.
And in case anyone is sceptical, it does work for other temperatures too. 04 C = 40 F (well, give of take a fraction of a degree) Last edited by pdurrant; 08-05-2009 at 12:00 PM. Reason: typo |
08-05-2009, 11:44 AM | #35 | |
Still wondering why
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I always thought it's useful to ask silly questions!! |
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08-05-2009, 12:33 PM | #36 |
frumious Bandersnatch
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08-05-2009, 12:36 PM | #37 | ||
zeldinha zippy zeldissima
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Quote:
yep ! |
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08-05-2009, 02:45 PM | #38 | |
Groupie
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Quote:
So for the 50°F example the result is 50 -32 = 18 18 / 2 = 9 9 + 0.9 + 0.09 ≈ 10°C |
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08-05-2009, 03:09 PM | #39 |
Fully Converged
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08-05-2009, 03:16 PM | #40 |
The Grand Mouse 高貴的老鼠
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Oh, I like that one. Very neat. I think I'd simplify by subtracting 30, not 32 and not using the 1/100 term. The two simplifications almost cancel out for extreme temperatures (>100°C or < 100°C)and subtracting one if the answer is double figures or less fixes that.
Quick, what's 450°F in Celcius? thinks... 450-30=420, 420/2 = 210, 210/10=21, answer = 231 (precise answer is 232.222.....) How about -200°F 230/2 = 115/10=11, answer = -126°C (precise answer is -128.8888 68°F: 38/2= 19/10 = 1.9, answer = 21°C -1 = 20 (precise answer is 20) 20°F -10/2 = -5/10 = -0.5, answer = -5.5 -1 = -6.5 (precise answer is -6.6666) |
08-05-2009, 03:19 PM | #41 |
The Grand Mouse 高貴的老鼠
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I'm suddenly reminded of a wonderful story by Isaac Asimov, "The Feeling of Power", written in 1957!
http://www.themathlab.com/writings/s...es/feeling.htm |
08-05-2009, 03:29 PM | #42 | |
Wizard
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What did I start I just asked for something simple...
Quote:
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08-08-2009, 03:06 AM | #43 |
Pensively observing.
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[QUOTE=Mike L;542882]Excuse me, but it's not a question of UK vs US. The DD/MM/YY format (or minor variations thereof) is used throughout Europe and much of Africa, Asia and elsewhere. It's not UK-specific.
Most software these days will respect whatever choices the user makes in Regional Settings in Windows Control Panel, or its equivalent in other operating system. That's all that's needed here. I have to agree with Mnementh that it can be very confusing to see the day and month apparently the wrong way round.[/QUOTE And to think that I thought that I was the only one with this problem. I am no longer a lone voice crying in the wilderness. Cheers |
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