Z-Plot is a free software program that allows you to visualize a multitude of mathematical functions and curves. The software has a powerful mathematical formula interpreter, that also allows the user to handle complex numbers easily. The display can be switched from 2D to 3D mode. Additionally, diagrams can be made from data tables.

Features:

* 3D/2D display that be rotated and scaled freely
* The common mathematical functions are supported
* Calculating with complex numbers is supported by any mathematical operation. Additionally, it is possible to determine the real part, imaginary part, argument and absolute value of complex expressions.
* Chose between linear and logarithmic axes scaling.
* Integrated calculator including numerical integral and differential calculus
* Make diagrams from a spreadsheet
* With detailed online help.

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Practice arithmetic skills, for kids about 8-12 and professionals, like commercial pilots or nurses. Highly customizable, it can create lessons on the fly based on the student´s performance, offer predefined lessons, provide extra exercises if needed – and much more.

Available in English, Spanish and Dutch.

ComBOTS – The Next Generation Communication Tool. Extremely powerful, incredibly easy to use and a lot of fun. Upon receiving the invitation, each of your friends gets access to ComBOTS for free!

More than E-mail, more than Instant Messaging. File Transfer Deluxe and the best from Hollywood. Always & everywhere, and soon even on your mobile phone.

Features:

* Virtually unlimited attachments and immediate delivery feedback
* Send files & media up to 1 GB per file or folders containing up to 500 files per Drag & Drop
* Chat using rich media messages (incl. files, folders, voice, pictures, sounds and videos)
* One click free calls and voice messages (even to offline friends)
* Gather your friends and turn them into your favourite Characters on your desktop.
* Free starter set and free bonus packs of animated 3D Characters & Emotions
* Messages & data in sync on multiple PCs
* Soon: Support of regular mobile phones (Java-enabled)

Note from FreewareFiles: The developer requires you to register with them before downloading. The download link provided will redirect you to their site. Registration is free.

Alibre Design Xpress is a rich and capable 3D solid modeler for creating mechanical parts, assemblies and 2D drawings. Alibre Design Xpress equips the person needing basic 3D design capabilities. The genius of Alibre Design Xpress lies in its inherent ease-of-use. Those that are new to 3D will find the tutorials, help and user interface intuitive to learning how to build 3D designs. Those that have used 3D CAD previously will be delighted at the functionality and richness of features.

With Vista Codec Package installed, you won´t need to install any other codec or filter. Many user suggested default settings are implemented. It does not contain a media player. It does not associates filetypes.

With this package installed you will be able to use any media player (limited only by the players capabilities) to play DVD´s, movies and video clips of any format. Streaming video (real and quicktime) is supported in web browsers. Visit the homepage to get a 64bit Addon which enables xvid, divx and DVD playback in Vista´s MediaCenter.

Do you want to watch your favorite video in MediaCenter? These components are tested on Vista Ultimate x64. This release is fully compatible with the 32bit codecs installed by the Vista Codec Package. t is fully uninstallable through the Windows interface. This release will not install on a x86 systems.