NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted. NLREG includes a programming language similar to C that you use for describing the function to be fitted. Two dimensional line and three dimensional surface plots can be generated. Mehr…

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DigitizeIt Software ermöglicht es Datenwerte aus Graphen und Diagrammen zu extrahieren. Das kann mit 3 einfachen Schritten erledigt werden: 1) Import des Graphen aus einer Datei oder eines Screenshots 2) Definieren eines Koordinatensystems. 3) Digitalisieren der Daten mittels automatischer Hilfen, z.B. Linienerkennung. Mehr…

3D Grapher is a feature-rich yet easy-to-use graph plotting and data visualization software suitable for students, engineers and everybody who needs to work with 2D and 3D graphs. With 3D Grapher you can easily plot the equation and table-based graphs, zoom them, rotate, view at any angle and even animate. You can draw the unlimited number of graphs in one coordinate system to visualize and analyze the domains of functions and their intercepts. Mehr…

Grab It digitizes graphs or charts to obtain the original data. Data can be log, linear, date, or time. This is especially useful for accurately digitizing published data in open literature for comparison against your own data or improving accuracy when digitizing old data that isn't in an electronic format (old hardcopies of charts for instance). Free Demo. Mehr…

NeuroXL Package is a neural network toolkit for Microsoft Excel. It consists of NeuroXL Predictor and NeuroXL Clusterizer. NeuroXL Predictor is designed for forecasting and estimating numeric amounts such as sales, prices, etc. Its ability to discover non-linear relationships in input data makes it ideally suited for forecasting dynamic systems like the stock market. NeuroXL Clusterizer is designed for data cluster analysis in Microsoft Excel. Mehr…