AutoCad iss a software application for computer-aided design (CAD) and drafting. The software supports both 2D and 3D formats. The software is developed and sold by Autodesk, Inc.,first released in December 1982 by Autodesk in the year following the purchase of the first form of the software by Autodesk founder, John Walker. AutoCAD is Autodesk's flagship product and by March 1986 had become the most ubiquitous microcomputer design program in the world, utilizing functions such as 'polylines' and 'curve fitting'. Prior to the introduction of AutoCAD, most other CAD programs ran on mainframe computers or minicomputers, with each CAD operator (user) working at a graphical terminal or workstation. When Marinchip Software Partners (later known as Autodesk) formed, the founders decided to re-code Interact in C and PL/1. They chose C because it seemed to be the biggest upcoming language.

In the end, the PL/1 version was unsuccessful. The C version was, at the time, one of the most complex programs in that language.

Mar 21, 2017 - AutoCAD is a commercial computer-aided design (CAD) and drafting software. AutoCAD Version 1.2, 1.2, 2, 1983, April, DWG R1.2 file format. Autocad 2002 free download - AutoCAD, F1 2002, Microsoft Word 2002 Update, and many more programs. Autocad 2002 free download - AutoCAD, F1 2002, Microsoft Word 2002 Update,.

Autodesk had to work with a compiler developer, Lattice, to update C, enabling AutoCAD to run. Early releases of AutoCAD used primitive entities — lines, polylines, circles, arcs, and text — to construct more complex objects.

Since the mid-1990s, AutoCAD supported custom objects through its C++ Application Programming Interface (API). File Formats: The native file format of AutoCAD is.dwg. This and, to a lesser extent, its interchange file format DXF, have become de facto, if proprietary, standards for CAD data interoperability. AutoCAD has included support for.dwg, a format developed and promoted by Autodesk, for publishing CAD data. In 2006, Autodesk estimated the number of active.dwg files at in excess of one billion.

In the past, Autodesk has estimated the total number of existing.dwg files as more than three billion.