The Jonathan Coulton song Mandelbrot Set is a tribute to both the fractal itself and to its father Benoit Mandelbrot. The second book of the Mode series by Piers Anthony, Fractal Mode, describes a world that is a perfect 3D model of the set.
Bloomberg Dollar Spot Index. The Bloomberg Dollar Spot Index (BBDXY) tracks the performance of a basket of 10 leading global currencies versus the U.S. Dollar. It has a dynamically updated composition and represents a diverse set of currencies that are important from trade and liquidity perspectives.
U.S. Dollar Index (DXY) appreciation during 2014. The Dollar Index Spot (DXY) is computed each day and available at MarketWatch and other sites. MarketWatch also allows you to enter a date and get a historical quote. Here is the historical quote for the end of 2013: And here is the historical quote for the end of 2014: For consistency, it is normal to use the closing values for comparison.