Determination of the day of the week row C) to find the dominical letter that is E. The letter for September 18 is B, so the day of the week is Thursday. Use 16 (in the Julian century row, column E) and 76 (in row D) to find the dominical letter that is A. February 23 is a "D" day, so the day of the week is Wednesday. In a handwritten note in a collection of astronomical tables, Carl Friedrich Gauss described a method for calculating the day of the week for 1 January in any given year. He never published it. It was finally included in
Wall Street Week sell signals than the old Wall Street Week Index, but was not as highly regarded. In 1998, one magazine even suggested the Elves Index was more useful as a contrarian tool, citing three examples where buy signals were followed by periods of market drift or contraction. Later, Rukeyser added an Elves Index for the NASDAQ. This index had one of the worst predictive records of any public index. The indexes were "retired" by Rukeyser after the September 11, 2001 attacks. At that point, the indexes were signalling a very strong sell signal. However, as was usually the case, it was