tigerotor77w Goldmember More info | Dec 30, 2009 14:21 | #31 Jon wrote in post #9290579  On a PC, use the Numeric Keypad and type [ALT] 0178 to get ², [ALT]0179 for ³. I'm on a Mac.
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PacAce Cream of the Crop  26,900 posts Likes: 40 Joined Feb 2003 Location: Keystone State, USA More info | Dec 30, 2009 14:53 | #32 tigerotor77w wrote in post #9291022 I'm on a Mac.  Google didn't give me anything immediately, which is why I asked, but maybe I missed something. Go into System Preferences and click on "Language & Text".  HOSTED PHOTO please log in to view hosted photos in full size. Close System Preferences. Go to the menu bar and click on the flag icon on the right side of the menu bar. Select "Show Keyboard Character Viewer" from the popup menu. In the Character viewer window, expand the Symbols tree in the upper left panel of the window. Scroll down the branches to "Numbers and Number Symbols" and select it. Scroll down through the characters in the right panel until you get to the part showing the superscripted numbers. Select the number you want and then click on the "Insert" button at the bottom of the window.  HOSTED PHOTO please log in to view hosted photos in full size. ...Leo
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DanielBrowning Goldmember 1,199 posts Likes: 4 Joined Nov 2008 Location: Vancouver, WA More info | Dec 30, 2009 16:00 | #33 Right. It should be (sqrt(2)^5)^2/(sqrt(2)^4)^2 = 2 PacAce wrote in post #9291004 Actually, it would be equal to 2 if the exact value of f/5.6 (i.e. 5.65685424949238 ) were used in the equation. The 1.96 is the result of rounding. As I'm sure you know, if it were rounded, it would be 5.7, not 5.6. Daniel
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tigerotor77w Goldmember More info | Dec 30, 2009 16:43 | #34 PacAce wrote in post #9291204 Go into System Preferences and click on "Language & Text". Select the "Input Sources" tab at the top of the window and make sure "Keyboard & Character Viewer" and "Show Input menu in menu bar" are checked. Er, I knew this route; I was hoping for a keyboard shortcut. I gotta admit -- those Windows Alt+number things are handy. They're possible (accents, for instance) in Mac, but I just find the Windows way a little easier. One of the things easier in Windows. Daniel Browning wrote in post #9291568 Right. It should be (sqrt(2)^5)^2/(sqrt(2)^4)^2 = 2 As I'm sure you know, if it were rounded, it would be 5.7, not 5.6.  I think the powers that be (early photographers?) went with truncating to 5.6 because it worked better with other rounded numbers (e.g. 2.8 * 2 = 5.6).Bah. I was just giving him a hard time.
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CreepyCrawler Member  193 posts Likes: 1 Joined Mar 2009 Location: East Greenville Pa. More info | Great we went from math to different languages!!!!!!! Jim S. Young
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