A pH Calculator, a Virtual Titrator, a Real Titration Data Analyzer, a Distribution Diagram Generator - that`s CurTiPot, the all-in-one freeware with interpolation, smoothing, simulation, nonlinear regression, graphics and database. Simply open the MS-Excel file, habilitate macros and start learning and working with chemical equilibrium of acids, bases, salts and buffers at home, classroom and laboratory.

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DMFitter ActiveX control allows you to add sophisticated regression analysis tools to your software in a few lines of code. Features include: both linear and nonlinear (Levenberg-Marquardt) least squares curve fitting algorithms, arbitrary user models (defined analytically or by string expressions), event support, weighting. Examples for Excel, VB, Delphi, MSIE, Data Master 2003 and scripting languages are included.

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Sagata Multiple Regression software offers the power of a professional regression package with the ease and comfort of a Microsoft Excel interface. Features include: qualitative data, interactive custom modeling, stepwise regression, cross-validation automodeling, robust regression, interactive 3D plot engine, data weighting, and more.

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Always at hand, UltimaCalc is compact and can stay always on top, transparent when not active. Simplify algebra expressions, integrate, differentiate, factorise polynomials. Evaluate algebraic expressions, define your own functions and constants. 200,000,000 prime numbers. Least Squares (5 methods); Standard Deviation; Plot functions; Solve Triangles; Simultaneous Linear/Nonlinear Equations; Polynomial Roots; table of constants; much more.

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XLSTAT is a complete analysis and statistics add-in for MS Excel. It includes regression (linear, logistic, nonlinear), multivariate data analysis (PCA, DA, CA, MCA, MDS), correlation tests, parametric tests, non parametric tests, ANOVA, ANCOVA and much more. Complementary modules are available for 3D visualization, Preference Mapping, Time series analysis.

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Programmable scientific and technical graphics optimized for automation of test and measurement systems, data acquisition and post-process. You can visualize, edit and analyze data produced by any instruments with RS-232 interface or another numerical data sources. Features include extensible set of numeric and symbolic calculation tools, nonlinear Levenberg-Marquardt regression analysis, ActiveX-compatible scripting environment and more.

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