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In 1983, Autodesk released AutoCAD Light, a drawing program without the engineering design functions of AutoCAD. AutoCAD Light was intended to be used by those with a basic design requirement, such as engineers. In the late 1980s, Autodesk also created AutoCAD LT, a more affordable competitor to AutoCAD. AutoCAD LT was priced at less than $2,000 and was available as a thin-client app for use on remote client workstations.

In 2005, Autodesk released AutoCAD R14, a major revision to AutoCAD. AutoCAD R14 introduced feature-set continuity, support for dynamic and linked views, user-assignable color, and a comprehensive DGN (digital graphics interchange) standard file format. AutoCAD R14 also introduced the 3D and 2D Data Management functions, a 3D Drafting Coordinator, a 3D Mechanical Drafting Assistant, an Aviator Control Panel, a parametric modeling feature, and a CAD database server. Since 2010, Autodesk has continually updated AutoCAD with new features and enhancements, including the release of AutoCAD 2010, AutoCAD 2011, AutoCAD 2012, AutoCAD 2013, AutoCAD 2014, AutoCAD 2015, AutoCAD 2016, AutoCAD 2017, AutoCAD 2018, AutoCAD 2019, AutoCAD Architecture 2020, AutoCAD Civil 2020, AutoCAD Electrical 2020, AutoCAD Landscape Architecture 2020, AutoCAD Mechanical 2020, AutoCAD Multiview 2020, AutoCAD Plants 2020, AutoCAD Production 2020, AutoCAD Structural Drawing 2020, AutoCAD Students 2020, and AutoCAD Timber 2020.

Version history

AutoCAD 2.0

Autodesk released AutoCAD 2.0 in 1983, a complete redesign of the AutoCAD system. The first release to run under the new, user-friendly, graphical interface, AutoCAD 2.0 was part of the AutoCAD Light package and available for the Macintosh and IBM PC systems. AutoCAD 2.0 was a 32-bit application for Windows 3.0 that was released in both 32-bit and 16-bit versions.

Versions 1.0, 1.1, and 1.2

In addition to the first 32-bit version, there were three 16-bit releases: 1.0, 1.

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In older versions, AutoCAD Crack For Windows used MEL code to drive its user interface and dialogs.

Postscript language (PostScript)
The Postscript language is a page description language widely used in CAD. It has been superseded by PDF.

Simplified language
AutoCAD supports an “instanced” object model. The “instanced” (or “scoped”) model means a single user can edit several objects. The drawing process can be handled in four steps:
Add/Modify objects.
Save the drawing as a separate file.
Remove an object from the drawing (uninstancing).
Resume editing from a new (created) object.
If the objects remain in the file, they become references to the same drawing that the original file contained, and any changes to the original drawing can be automatically reflected in any drawings that share the same data and features.

PostScript language
PostScript is the technology used for scripting and drawing in AutoCAD. The language consists of a set of procedures, commands and statements that define the drawing process. These are usually written in a high-level language such as LISP or PL/I.

Commands are divided into three types: geometric, DRAW and actions. Commands are given names to differentiate them, such as MINDRAW, DRAWLINE and TEXT. Commands have arguments (a limited set of named entities), often referred to as “parameters” or “parameter lists”. In AutoCAD commands can have varying numbers of arguments. When drawing is entered, the system assigns the proper parameters, based on the command entered. Common commands, and their parameters, are listed below.

In the above example, the first instruction draws a line and draws a line between the points specified, then exits the command.

DRAWLINE( line1(points), line2(points), color )

To enter DRAWLINE mode, first one has to press (or ).

The DRAW commands allows one to draw a line, a box, a polyline, or a polygon. In addition, a polyline, polygon or circle can be rotated, moved, and the contour of the object drawn can be calculated. The DRAW command provides the most comprehensive object-oriented drawing capabilities.

The DRAW command has many sub-commands, as shown below:
DRAW_LINE : Draw a line

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Double-click on the icon to install the plug-in.

Click Install.

Click OK.

Click Run.

This may be all you need to do, depending on the specific version of Autodesk AutoCAD.

José Melgar Ávila

José Melgar Ávila (born 10 December 1941) is a Mexican politician from the Institutional Revolutionary Party. From 2000 to 2003 he served as Deputy of the LVIII Legislature of the Mexican Congress representing Zacatecas.


Category:1941 births
Category:Living people
Category:People from Zacatecas
Category:Members of the Chamber of Deputies (Mexico)
Category:Institutional Revolutionary Party politicians
Category:21st-century Mexican politiciansQ:

What is the return type of a vector::clear?

I have a std::vector member variable in my class. I want to use clear() on it. The vector documentation doesn’t say much about the return value.
What’s the return type of vector::clear?
Is it const T &? const T*?


const T* It’s a pointer to an element of the vector.

When removing an element at a particular position, the vector moves all of the subsequent elements backwards.

This means that any operation that modifies the vector, for example, vector.begin() and vector.end() will change.
When clear() is called, the original data is deallocated.

The element at first [position] is destroyed, and the elements in the vector following it are moved backwards to fill the gap (with the exception of the element at last, if it’s a fixed-size container).

Also when clear() is called, iterators to the element are invalidated.

1. Field of the Invention
The present invention relates to a stator-side connector for electrically connecting a housing and a plug to each other.
2. Description of the Related Art
For example, Japanese Patent Application Laid-open No. 2014-58381 discloses a stator-side connector for connecting a housing and a plug to each other by using insulation displacement connection.
The stator-side connector includes a housing, a plurality of terminals disposed in the housing

What’s New In?

Get a grasp on the main features in AutoCAD 2023 and find out how to get the most out of your setup.

New measurement options and tips:

Auto dimension to work against scales and frames: For the first time, you can set Auto Dimension to work against an entire coordinate system. This means you can have a single dimension on the same axis as your drawings. (video: 1:55 min.)

Find out how to work with relative offsets and align objects along multiple axes.

Update to the newest Open Service Implementation (OSI) specification: The new OSI specification provides additional performance improvements and more granular transparency control. It also offers several new capabilities for document filtering, annotation and printing. (video: 2:20 min.)

Access a new set of AutoCAD resources:

Autodesk Web Services

Eagle: Easier web access to your models.

IntelliCAD: Enhancements to the latest release of AutoCAD.

ShareCAD: Now open-source CAD.

What’s new in AutoCAD LT 2023

Rapidly and efficiently render realistic scenes and complete your creative workflows. AutoCAD LT 2023’s new rendering engine introduces several new features that help you streamline the process of creating and rendering 3D scenes.

Helpful features:

Present work to clients and colleagues with client-ready previews.

Revive Drafts that need attention.

Have more control over your lighting settings.

Quickly make changes.


Auto dimension to work against an entire coordinate system.

Mass properties with bulk edit and Polyline.

Better support for 3D curves.

New features:

A new menu bar that provides quick access to the latest features and command-line options.

Enhanced 2D drawing features:

Use geometry to create rectangles, arcs, and angles.

Create, edit, and remove 2D drawings from the 3D surface of a 3D model.

Improved support for capturing and applying 3D model-based shapes.

Introduce the powerful new AutoCAD LT 2023 rendering engine: Based on technology from Autodesk’s new rendering engine for AutoCAD, AutoCAD LT 2023

System Requirements For AutoCAD:

OS: Windows 7, 8, 8.1, 10
Processor: Intel Core i3-700 / AMD Phenom II x4 965
Memory: 4GB
Graphics: NVIDIA GTX460 / AMD HD7770
DirectX: Version 11
Network: Broadband Internet connection
Storage: 4GB available space
Additional Notes:
In order to utilize all the power of Radeon Pro Duo to its fullest, we recommend at least 16GB of RAM. You will also need at least a GTX 750