iOS Universal Finance
The program uses Chebyshev's polynomials to create trend line against Yahoo finance available daily charts. Good for forex currency, equity, futures & other stock market analysis.
If you are interested in more serious work with the indicator you can upgrade to Pro version. It uses daily/weekly/monthly & intraday data feeds & includes buy/sell signals based on the Chebyshev trend. A unique method has developed specially for app to provide these signals. Trends can also be compared with classical MA & Bollinger Bands, Parabolic SAR, MACD, Volume & Chaikin indicators. Other features include the ability to save stock symbols in a portfolio, keep eye on most recent signals in the group, control indicators' parameters & more!