ofx
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OFX Parser Support forum ofx-parser Parse and extract financial records from OFX files This class can be used to parse and extract financial records from documents in OFX format (Open Financial Exchange) used by programs such as Intuit Quicken and Microsoft Money. In can parse an OFX document either
...... http://www.phpclasses.org/evalmath for better expression evaluation before plotting. *** It can evaluate the given function for a given interval of x and y variable values and draw lines between the calculated points. The class also draws a grid of scale values as well the X and Y axis. More than one ...root_finder Support forum root_finder Calculates the roots of a given f(x) function This class takes a function f(x) and an interval of x values and calculates the roots of that function and draws its graphic as a JPEG image. The roots are accessible from 'root' property of class (run html example
...... SimpleLinearRegression Support forum phpmath Package that implements simple linear regression The SimpleLinearRegression package accepts an array of X values and an array of Y values and returns parameter estimates for a linear equation as well as various measure of model fit. This package is discussed ...... by the users. It comes with a sub-class that can produce graphic charts plotting the curve defined by the equation expression withing a given range of x and y values. The generate chart graphics can be outputted in the PNG or JPEG formats using the GD library. Equation Operating System Support forum ...