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DataFit is a tool for performing curve fitting, statistical analysis & data plotting. Fit equations with up to 100 parameters to data with up to 20 independent variables. Define your own equations or choose from over 600 pre-defined equations.

statistiXL is a powerful data analysis add-in for MS Excel. Its abilities include: ANOVA, Contingency Tables, Clustering, Correlation, Discriminant and Factor Analysis, GOF, Regression, Nonparametrics, PCA, Uni and Multivariate t-Tests and many more.

Sheet metal for AutoCAD. It calculates flat (unfolded) sheet development of ducts, rectangle to ound transitions, cylinders, cones, intersections, connections, bifurcations, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, piping, etc.

Supports image analysis functions: angle, distance, perimeter, area, point and line measurements. Includes curve fitting, pixel profile, array/band analyzer, finding objects, and histogram with statistics.

IQ Power is the scientific approach to intelligence testing that excludes prior problem solving knowledge by making the method freely available to the examinee. The test focuses on the depth and breadth of complexity that the examinee can solve to.

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.

Randomly shuffle Excel cells, entire rows, or entire columns. Sorting is done quickly and at complete random.

Visually design waterways and channels. Graphical and easy to use. Enhanced plotting features. Report ready results compatible with Excel. Supports both English and SI (metric) units. Handles circular, trapezoidal, ushaped, and tubular channel shapes

Freeware for fast training, validation, and application of neural and conventional classifiers including MLP, functional link net, piecewise linear net, nearest neighbor classifier, self organizing map. Extensive help. C source for trained nets

Geometric and strength designs of helical compression cylindrical springs loaded with static or fatigue loading. Application supports Imperial and Metric units, is based on ANSI, ISO, DIN standards and support many 2D and 3D CAD systems.