splines

FindGraph is comprehensive, feature-rich graph editor, as well as a curve fitting and digitizing tool for engineers, scientists and graduate students. Convert plots back to X,Y data from any published report for later processing and manipulations. The program offers 12 generic fits, including Linear Regression, Logistic Functions, Fourier approximation, Neural Networks, B-splines curves, plus a library of over 300 industry-specific formulas.

MBSS Starfields offers the ability to define starfields, nebulas, northern lights, comets, plasma clouds, neon spark ribbons and more. Setup properties of the stars and effect patterns along with the Hue Cone for particle coloring. Starfields are depicted using real-time 3D particle animation where many of the attributes can be configured from the Properties dialog. Field-level Online Help is included as well as an effective variety of Themes.

Geometric designs and strength checks of shaped connections of shafts with hubs (parallel side keys, Woodruff's keys, straight-sided splines, involute splines). Application is developed in MS Excel, is multi-language and supports Imperial and Metric units. Is based on ISO, SAE, DIN, BS and JIS standards and support many 2D CAD systems (AutoCAD, AutoCAD LT, IntelliCAD, Ashlar Graphite, TurboCAD).