Free Parametric Software

SurfX3D by Surface Explorer 3D

Surface Explorer 3D plots mathematical surfaces in 3D. User defined surface equations can be explicit, implicit, or parametric. Surface and color equations are specified by user. Can export to clipboard, VRML, POV, DXF, printer. Freeware.

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RF21 by Christoph Hohmann

Graphing scientific calculator allowing for permanent installation of a user's own commented functions and libraries. It's also an archive capable of holding a lifetime's mathematical work. Integrated searchable database. Numeric features include derivation, integration, Monte Carlo simulations, Runge Kutta, matrix inversion, nonlinear equation systems, function minimizer. Prints plots and exports them to the -.GIF file format.

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Graphing Calculator 3D by Runiter Calculators

Easy-to-use 3D grapher that plots high quality graphs for 2D and 3D functions and coordinates tables. Graphing equations is as easy as typing them down. Graphs are beautifully rendered with gradual colors and lighting and reflection effects. Both cartesian and polar coordinates are supported as well as parametric equations and inequalities. Fast rotation and translation of graphs with the mouse and with animations make graph visualization easy.

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Nevitium Invoice Manager by Data Virtue

Centered around the invoice and focused on the customer, Nevitium has the tools you need to manage your small business. Create professional invoices (or quotes) and easily track their status and payment history with a powerful invoice manager. Nevitium is equipped with the essential tools you need, putting you in firm control of customer and vendor relations. It includes a comprehensive inventory manager and other professional tools.

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Earth is our house by FreeStone Group

Free 3D ScreenSaver. Earth is our house, or third planet from the sun. We can imagine view from space on our planet, and it sight extraordinarily is beautiful!

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