Dating calculation

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Archaeologists use the exponential, radioactive decay of carbon 14 to estimate the death dates of organic material.The stable form of carbon is carbon 12 and the radioactive isotope carbon 14 decays over time into nitrogen 14 and other particles.Another standard, Oxalic Acid II was prepared when stocks of HOx 1 began to dwindle. The ratio of the activity of Oxalic acid II to 1 is 1.29330.001 (the weighted mean) (Mann, 1983). There are other secondary radiocarbon standards, the most common is ANU (Australian National University) sucrose.The ratio of the activity of sucrose with 0.95 Ox was first measured by Polach at 1.50070.0052 (Polach, 1976b:122).So not it's making me wonder how many people have actually ever heard of this before (although I'm sure on a dating website, more people have). I have met some really immature 50 year old men and women and some bright mature 25 year olds. LOLActually, to me its more important that we are at the same stage in life, IE kids are older, or none at all, and they cant want anymore-cause Im done with that too.So it goes...[Guys age] / 2 7 = [Girl's Age]So myself being 28, the youngest girl I should date, by this formula, would be 21. Well, if my memory of junior high algebra serves me correctly:[Guys age] / 2 7 = [Girl's Age][Guys age] / 2 = [Girl's Age] - 7[Guys age] = 2 * [Girl's Age] - 7See? I'm assuming that order of operations applies, so I didn't bother with parenthesis. Same level of physical activities,lifestyle, intellect, moral beliefs, and treatment toward others etc are more important than age these days to me. I like what happened to me as I went thru my thirties, and would prefer a man that has at least entered that stage.

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If you only need the day count, without hours/minutes/seconds fields, please see the Date duration calculator instead.

The “half your age plus seven” rule of thumb probably helps you avoid being a creep, but is it accurate?

Much to my surprise, when overlaying a line representing the rule of thumb on Kenrick and Keefe’s results (see red line in the figure below), you can see it closely matches the low end of the range (i.e., youngest preferred) for all but the oldest men.

This is calculated through careful measurement of the residual activity (per gram C) remaining in a sample whose age is Unknown, compared with the activity present in Modern and Background samples. Thus 1950, is year 0 BP by convention in radiocarbon dating and is deemed to be the 'present'.

You can get an idea of the relationship between C14 and age at the Carbon Dating calculator page. 1950 was chosen for no particular reason other than to honour the publication of the first radiocarbon dates calculated in December 1949 (Taylor, 19).

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