 RtPlot 2.6 — RtPlot is a tool to generate Cartesian X/Yplots from scientific data. You can enter and calculate tabular data. View the changing graphs, including linear and non linear regression, interpolation, differentiation and integration, during entering.
 UltimaCalc 3.0.645 — Manipulate algebra. Integrals found & explained. Define own functions and constants. Find Standard Deviation etc. Plot functions. Solve Triangles. Least Squares fits, inc. nonlinear, Simultaneous Linear/Nonlinear Equations. Polynomial Roots. More.
