# How do I derive the day of the week?

Gregorian CalendarLook at a current calendar. According to the â€œColumbia Viking Desk Encyclopedia,â€ the Gregorian calendar, which most people use today, evolved from the Roman calendar as refor...
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http://www.answerbag.com/q_view/2160034

## Where did Bluetooth derive its name?

Bluetooth derives its name from the 10th century Viking king, Harald Blatand. "Blatand" loosely translates to "blue tooth." The technology was given its name by its inventors: engineers from Swedis...
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http://www.answerbag.com/q_view/2194391

## How to Derive the Day of the Week?

The date of your birth or anniversary is something nearly everyone can remember, but do you know on what day of the week your special day fell? Short of pulling out an old calendar, it can be hard ...
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http://www.ehow.com/how_8146398_derive-day-week.html

## How to Derive Equations From the Nth Order?

If a function f(x) is differentiated, we obtain its derivative, known as f'(x). If this first derivative is further differentiated, we obtain its second derivative, f"(x), and if the second derivat...
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http://www.ehow.com/how_8308777_derive-equations-nth-order.html