StatTools : Area Under Coordinates Program

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Program Explanation
Data Entry
The data is a table of variable columns, and the columns are separated by at least 1 space or tab.
   Each row represents data from each calculations. Rows may have different number of columns
   The columns are x and y coordinates, as in x1 y1    x2 y2    x3 y3 and so on.
   The x values must be in sequence and with increasing values
   There must therefore be an even number of columns to match the x and y pairs
Click button to run example data, or enter your own data and click button