AutoCAD Crack License Keygen 🚨


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AutoCAD 2017 21.0 X64

Fig. 1. AutoCAD on a 2-year-old tablet computer.

(Image courtesy of Autodesk)

Today, AutoCAD is the world’s most popular 2D drafting program, with more than 10 million users and 4.5 million users each year. The program continues to be sold, along with several related products and services, for example, AutoCAD 360 and AutoCAD Architecture.

AutoCAD uses a command-line interface (CLI) when run in a terminal. The CLI is also used for many of the various command-line tools that make up AutoLISP (Auto Cad’s native object-oriented programming language). AutoCAD is capable of working in 2D (planar), 3D (three-dimensional), or 3D-in-2D (projection mode). AutoCAD operates in Windows, macOS, Linux, and various versions of the Unix and Unix-like operating systems.

Because AutoCAD is an object-oriented application with internal object libraries, it can be run on any platform that supports the Windows operating system. Typically, the program uses the Windows API and COM (Component Object Model) to work with the operating system. Unlike other CAD applications that are command-driven, AutoCAD is mostly command-line driven; for example, most commands that control drawing tools, text style, and other drawing settings are not configured in the program, but rather are specified at the command prompt.


Some basic functions are generally available in all AutoCAD versions. However, many of the tools and functions can be accessed only by AutoCAD Professional or higher. AutoCAD is based on the Windows operating system and uses Microsoft Visual Basic for Applications (VBA) and Microsoft Visual Basic for Applications Scripting Edition (VBScript) to create macros and user interfaces for many of the drawing functions.

Layers, the most basic organizational tool in AutoCAD, organize all the objects and objects’ attributes (settings) into visual displays organized by position, with background layers in the foreground. Layering, while not a drawing feature, is a powerful way to organize the objects and attributes (settings) to be used during drawing.

2D/3D Drafting

While AutoCAD can be used to create 2D drawings, its primary use is for creating 3D drawings. In AutoCAD, the user is presented with three-dimensional (3D) environment

AutoCAD 2017 21.0 Crack + With Serial Key Download [Win/Mac] [Updated]

Web Services. AutoCAD Cracked Version WS is an XML-based web service. This API allows auto-generated and user-generated web services to be connected to AutoCAD Product Key’s functionality. AutoCAD WS is available for both Web User Interfaces (WUIs) and desktop application.

Command Line Interface (CLI). AutoCAD CLI or AutoCAD command line interface, is a command-line interface that allows running AutoCAD program files and scripts from the command line on any platform supporting a shell.

XML. AutoCAD XML is a client-side programming interface for Autodesk’s DWG (dynamic windowing graphic) format,.dwg. It allows tools, macros and scripts to be installed into a DWG file, without affecting the underlying AutoCAD file. A similar API, XMLD, is used for applications that create or edit DWG files. XML is used for AutoLISP scripting, allowing development of small AutoCAD applications without a tool. A C++ class library, XML, is also available to access XML files.


AutoCAD was first released as a product in 1989 and has since evolved into a major product suite. Over the decades, AutoCAD has often included specialized functionality targeted to specific fields. This has included functionality for architectural design, civil engineering, mechanical engineering, computer-aided design and drafting, structural engineering, printing, architectural 3D modeling, 3D visualization and computer-aided manufacturing.

Product structure

AutoCAD is a suite of tools that allow the user to create, edit, and view 2D or 3D geometric designs. These tools are bundled together into the following applications:

AutoCAD is available as a standalone software package or via a subscription.


AutoCAD is available for most major computer operating systems including Microsoft Windows (32- and 64-bit versions), macOS, and Linux. Versions for OS/2, IBM OS/2, Windows CE, and Android are also available. AutoCAD is also available for some embedded computing platforms such as the DaVinci IQ, and for the Apple iPad.


AutoCAD provides the following functionalities:

2D and 3D Drafting

AutoCAD is a powerful drafting tool. It is similar to AutoCAD LT in functionality. However, it can perform a wider range of tasks than AutoCAD LT. It can

AutoCAD 2017 21.0 License Key Full Free

How to use it
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Haskell unify function recursion

The type I’m working with:
data Exp = Const Int | Add Exp Exp | Mul Exp Exp

I want to unify the following 2 Exp’s to get:
(Add (Add (Const 2) (Const 3)) (Const 4))
(Mul (Const 2) (Const 3))

Here is what I’ve got so far, and the output:
unify (Add (Add (Const 1) (Const 2)) (Const 3))
[Add (Const 2) (Const 3), Add (Const 1) (Const 2)]

unify (Mul (Const 1) (Const 2))
[Mul (Const 1) (Const 2), Mul (Const 1) (Const 2)]

I’m currently using a recursive function in the unify function to unify the two exp’s, but this is not working as I want. I also have a function that I use for other purposes that works but I can’t unify an Exp to be processed by that function. This is where I’m stumped, and the function I’ve made is recursive. I’m looking for help.
unify :: Exp -> [(Exp, Exp)]
unify e = case e of
Const i -> [(e, e)]
Add e1 e2 -> if ((e1 /= e2) && (e1 /= Const 0)) then [(e1, e2)] else unify e1
Mul e1 e2 -> if ((e1 /= e2) && (e1 /= Const 0)) then [(e1, e2)] else unify e2


The problem is that Add (Const 1) (Const 2) and Add (Const 2) (Const 3) are the same thing. So unify e1 and unify e2 will simply fail.
One way to fix this is to add a guard to your function to prevent recursion when there’s nothing to unify:
import Data.Maybe (catMaybes)

What’s New In AutoCAD?


Spare yourself from tedious and error-prone searches by highlighting your search term in your drawings and place them on your device. To save time, AutoCAD displays the search results right on the screen. (video: 1:08 min.)

Turbo mode:

Draw faster and more efficiently by using the new high performance drawing mode. Adjust the resolution, layers, and settings according to your needs. (video: 1:06 min.)

Compound Objects and Hidden lines:

Grow your drawing knowledge with new object types like compound curves and hidden lines. For example, set a compound curve via the command line and position it in a drawing. Use it like any other object in your design. AutoCAD will automatically display the object’s properties and all related changes in the status bar. (video: 1:11 min.)

Interactive figures:

Translate the interactive figures in your drawings with language and symbol sets from the web-based service MyLang. Whether you’re drawing or using the various AutoCAD commands, you can find this information in the status bar. (video: 1:13 min.)

Common Symbols:

A large library of standard symbols for mechanical design projects. Import symbols directly into drawings and quickly add them to your design with a click. They are also supported in the Inventor® and SolidWorks® formats.

Import XPS and PDF Documents:

Generate a two-page invoice from a PDF or XPS document and send it directly to your customers. Or insert a customer’s logo in a picture of your product. Export a photo with a location to a PDF or XPS file. (video: 1:11 min.)

Search and Replace:

Find and replace words and expressions in your drawings. AutoCAD will highlight matches and identify conflicts, with suggestions for possible replacements. (video: 1:09 min.)

Multi-language Localization:

AutoCAD helps you to communicate with your users in their native language by showing the appropriate language, date, currency, and number formats in the status bar. (video: 1:17 min.)

Non-authoritative time zones:

AutoCAD uses the world time zones service to show the correct time in different time zones. You can also select the

System Requirements:

Operating System: Windows 7, Windows 8
Processor: Intel Core 2 Quad Q9400 @ 3.2GHz or AMD Phenom X3 8750 @ 3.5GHz
Memory: 4GB
Graphics: NVIDIA GeForce GTX 660 (1GB) or AMD Radeon HD 7970 (2GB)
DirectX: Version 11
Storage: 20 GB available space
Sound Card: DirectX compatible sound card
Additional Notes: The game must be installed to the “Program Files” folder.