Date of stock data copied into Excel from Internet pages almost appear as text. The Fit function of a chart curve automatically can be placed in a worksheet cell or range referring to x-values on the workbook. Statistical propability plots and distribution plots deliver very quick the results needed in the daily work of engineers. Fourier fitting of stock data can show a trend without short time movements but unfortunately not what will actually happen in the future. There are many more of helpful functions to reduce a time consuming number crunching on a spreadsheet.
All programs offer different options for ease of chart construction.
It is much faster and can handle data up to 16000 values for probability plots and each for multiple probability plots, statistics and fittings. We recommend to use a PC with 128 KB or more for a high data volume. Different files can be loaded on the same sheet. Lines that contain a key word can be extracted from these files. A second program adjusts the curve to the axes.