FindGraph 1.81 (by UNIPHIZ Lab)
Comprehensive graphing, digitizing and curve-fitting software for engineers.

NLREG 6.2 (by Phillip H. Sherrod)
NLREG performs nonlinear regression and curve fitting

Numap7 7.06 (by Neural Decision Lab LLC)
Freeware for fast development and application of approximation type networks

DPlot 2.0.5.7 (by HydeSoft Computing)
Graphing software for scientists, engineers, and students.

Advanced Grapher 2.11 (by Alentum Software, Inc.)
Plot and analyze graphs of equations and data

Regression Analysis - CurveFitter 1.2 (by Institute of Mathematics and Statistics)
CurveFitter performs regression analysis to estimate values of parameters.

DataFit 8.1 (by Oakdale Engineering)
DataFit curve fitting, statistical analysis and data plotting software.

DMFitter ActiveX control 11.7.0.226 (by RRR)
Linear and nonlinear (Levenberg-Marquardt) curve fitting engine

Equation graph plotter - EqPlot 1.2 (by Institute of Mathematics and Statistics)
Graph plotter program plots 2D graphs from complex equations.

Rt-Plot 2.8 (by Rt-Science)
Rt-Plot is a tool to generate Cartesian X/Y-plots from scientific data.

RVal 1.12 (by Brian Taylor)
Electronic Engineer's solution to finding the optimum preferred resistor values.

WebCab Optimization for Delphi 2.6 (by WebCab Components)
Add optimization & Linear Programming solver to your .NET and COM Applications.

WebCab Optimization (J2EE Edition) 2.6 (by WebCab Components)
Enterprise Java Component for solving local or global optimization problems.

WebCab Optimization (J2SE Edition) 2.6 (by WebCab Components)
Java class library for solving local or global optimization problems.

MITCalc - Springs - 15 types 1.11 (by MITCalc)
Geometrical design and strength check of 15 springs types