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In geometry, the rhombidodecadodecahedron is a nonconvex uniform polyhedron, indexed as U 38. It has 54 faces (30 squares , 12 pentagons and 12 pentagrams ), 120 edges and 60 vertices. [ 1 ] It is given a Schläfli symbol t 0,2 { 5 ⁄ 2 ,5}, and by the Wythoff construction this polyhedron can also be named a cantellated great dodecahedron .
Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of Scalable Vector Graphics (SVG) to draw the shape.
It is very powerful, easy to use, and free of charge. To begin using Dia, you first need to download the program and install it. If you are using Microsoft Windows you can download the Windows installer here. If you are using Linux, you download it from the repository that you normally use and install it as you install other software.
Following is a list of notable software, computer programs, used to develop a mathematical representation of any three dimensional surface of objects, as 3D computer graphics, also called 3D modeling.
It shares its vertex arrangement with the small stellated truncated dodecahedron and the uniform compounds of 6 or 12 pentagrammic prisms.It additionally shares its edge arrangement with the rhombicosidodecahedron (having the square faces in common), and with the small dodecicosidodecahedron (having the decagonal faces in common).
List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
Interactive geometry software (IGS) or dynamic geometry environments (DGEs) are computer programs which allow one to create and then manipulate geometric constructions, primarily in plane geometry. In most IGS, one starts construction by putting a few points and using them to define new objects such as lines , circles or other points.
Free and open-source software portal; This is a category of articles relating to diagramming software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: "free software" or "open source software".