1)   ODEcalc 5.11 ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation and boundary or initial value conditions and it solves your problem. Plots solution y and derivative ydot versus x. A Fortran Calculus demo application. 2)   LAB Fit Curve Fitting Software 7.2.30 Curve fitting (fit), nonlinear regression, treatment of data, basic statistics, error propagation, 2D and 3D graphs, confidence band, uncertainty, error bars, extrapolation, chi-square, correlation coefficient tests, covariance matrix, math tools. 3)   Fortran Calculus Compiler 1.01 Simplifies coding to a mathematical model, constraints, and the objective function. Solves Boundary & Initial Value Problems, PDEs, ODEs, implicit, non-linear, any order, etc. math problems. Compiler based on "Automatic Differentiation".