For all the methods of summing divergent series in general use may be classified as either mean-value or convergence-factor ... Summable Series and Convergence-Factors By Prof. Charles N. Moore.

Series like this are called Kempner series, and there is a nearly 100-year-old paper about them here. Finding their exact sum is generally an intractible problem and we must be content with ...

These two facts have resulted in increased divergence between the richest people in the world and the very poorest, despite the broad convergence of average incomes. New convergence The world economy ...

Moving average convergence/divergence (MACD) is a momentum indicator that shows the relationship between two moving averages of a security’s price.