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This is a free program taken from a CD-ROM collection of over 200 mathematics puzzles, available on the developer's Web site. Developed by a veteran teacher, these visually-oriented puzzle games have a simple interface and are designed to provide math...

MacFDTD

MacFDTD 0.8

Macintosh silicon layout and simulation software. Create semiconductor and optical circuit designs, and test them out before fabrication. The initial release featured basic layout abilites, 5-function variable equation support, and basic GDSII format...

Celestia

Celestia 1.6.1

Celestia is a free real-time space simulation that lets you experience our universe in three dimensions. Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over...

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TheSkyX

TheSkyX 10.2.0

TheSky is an easy-to-use, full-featured, graphical astronomy program that turns your personal computer into a personal planetarium. TheSky Astronomy Software brings to your desktop the wonder and fascination of viewing the heavens, whether you are tracing...

Magic Calculator

Magic Calculator 2.9 updated

Magic Calculator is a scientific calculator that allows you to write your expressions in infix notation. A Magic Calculator document looks like a text editor. Each line of the text is a calculation. Just type expressions and get immediately the...

TI Connect software is the link software which takes TI calculator technology to a new level of calculator, computer and Internet connectivity. Downloading and transferring data, Operating System (OS) updates, Calculator Software Applications (Apps), and...

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Graphulator

Graphulator 3.9 updated

Graphulator is a numerical graphing calculator for 2D and 3D graphing. Unrestricted equation entry means you don't need to solve for 'y' or 'z' . Includes data output. Now with numerical calculus capabilities. Drag grid or use controls to move or change...

PDP-8/E Simulator

PDP-8/E Simulator 2.0.2 updated

The PDP-8/E Simulator is an emulator for the Digital Equipment Corporation PDP-8/E minicomputer, a famouse computer of the early 1970 years. The simulator, first released 1994, provides a comfortable user interface for running, writing and debugging PDP-8...