1)   LITIO - 3D Sheet metal unfolding software 1.0 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. 2)   XLSTAT-Pro (Win) 7.5.2 XLSTAT is a complete data analysis and statistics add-in for MS Excel. It includes regression (linear, logistic, nonlinear), multivariate data analysis, parametric tests, non parametric tests, ANOVA, ANCOVA, forecasting methods. 3)   SurfX3D 1.0 Surface Explorer 3D plots mathematical surfaces in 3D. User defined surface equations can be explicit, implicit, or parametric. Surface color equations specified by user. Export to clipboard, VRML, POV, DXF, printer. C++ source code included. Free. 4)   Advanced Grapher 2.11 Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more. 5)   Dexterpen 1 Dexterpen is a stand-alone Windows graphics utility for those small repetitive 2D tasks which take away valuable time from your working day. Use it to create 2D drawings and do CAD and graphical calculations simply by moving the sliders. 6)   STFMath 2.1 Draw Cartesian, Parametric and Polar functions, special functions or Integral (with Average preview), analyze functions, calculate and draw integral, derivative, average, evaluate any function. Use complex and geometry calculator. 7)   MadCalc 1.0 MadCalc is a full featured graphing calculator application for your PC running Windows. With MadCalc you can graph rectangular, parametric, and polar equations. Plot multiple equations at once. Change the colors of graphs and the background. 8)   FindGraph 1.87 FindGraph is a comprehensive, feature-rich graph editor, and a curve-fitting and digitizing tool for engineers, scientists and business. Discover the model that best describes your data. 9)   LITIO - 3D Sheet metal unfolder 1.0 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.