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A man using AutoCAD 2.6 to digitize a drawing of a school building. AutoCAD was derived from a program that began in 1977, and then released in 1979 [5] called Interact CAD, [6] [7] [8] also referred to in early Autodesk documents as MicroCAD, which was written prior to Autodesk's (then Marinchip Software Partners) formation by Autodesk cofounder Michael Riddle.
AutoCAD is a commercial computer-aided design (CAD) and drafting software application by Autodesk. The first release of the software started with version 1.0 in December 1982. [ 1 ] The software has been continuously updated since its initial release.
Autodesk Vault is a data management tool integrated with Autodesk Inventor Series, Autodesk Inventor Professional, AutoCAD Mechanical, AutoCAD Electrical, Autodesk Revit and Civil 3D products. It helps design teams track work in progress and maintain version control in multi-user environments.
The functionality of this product is largely replaced by Autodesk DWF Composer (versions 1 and 2) later replaced by the free Autodesk Design Review. Autodesk has also released a free product called DWG TrueView. This product enables users to view and plot AutoCAD DWG and DXF files, and to publish these same files to the DWF file format.
FreeCAD's own main file format is FreeCAD Standard file format (.FCStd). [9] It is a standard zip file that holds files in a certain structure. [9] The Document.xml file has all geometric and parametric objects definitions. [9]
AutoLISP is a small, dynamically scoped, dynamically typed Lisp language dialect with garbage collection, immutable list structure, and settable symbols, lacking in such regular Lisp features as macro system, records definition facilities, arrays, functions with variable number of arguments or let bindings.