AutoCAD 23.0 Crack [32|64bit]

History of AutoCAD

The evolution of AutoCAD began in November 1971, when a cadastral surveyor by the name of Roger Hurnley of the Landmark Surveying Group in Ottawa, Ontario, Canada, got his hands on a computer terminal used by the Bureau of Land Management (BLM). While the machine was used for mapping and storage of data, Hurnley was intrigued by its graphics capabilities.

Hurnley formed a partnership with BLM computer analyst, Russell St-Onge, who had been involved with a joint development of the system. The two men set to work on Hurnley’s idea of creating a CAD program to improve the efficiency of land surveyors and other professionals who worked with maps. Their first version of the software, called Landmark SuperCal, was released in 1974. But the program was never very popular, and the two engineers parted ways soon thereafter.

Hurnley continued working on his CAD project. He developed the Landmark Super Cal app on his own. But after a year, he gave up the software business. The program, named AutoCAD, was released in December 1982.

The name AutoCAD has its roots in an early version of the software called AutoCAD/2D. This version, which was sold as a “modular design program” and was more popular among engineers than the first AutoCAD, has been upgraded many times since its release. And the name of the company that produced it was changed several times. It was originally called “AutoCAD Inc.” before being renamed “AutoCAD and SolidWorks Division” in the early 1990s. Autodesk’s first AutoCAD, named AutoCAD 1985, was released in January 1985. It was initially developed for the IBM PC platform.

What is AutoCAD used for?

The United States Geological Survey defines geospatial information technology (GIT) as, “The computer science discipline, systems, and applications of the capture, storage, organization, access, transformation, processing, analysis, display, and dissemination of geospatial data, and its integration with other geospatial data sets and with the Web for resource discovery and data exchange”. GIT includes three main categories of software products:

Computer-aided design (CAD)

Computer-aided manufacturing (CAM)

Geospatial information system (GIS) software


AutoCAD 23.0 [32|64bit]

With the release of AutoCAD Free Download 2007, the following AutoCAD Product Key application development libraries were released: AutoLISP, Visual LISP, VBA,.NET and ObjectARX. The ObjectARX library is based on C++ and is the base for AutoCAD Crack Mac Architecture, AutoCAD Activation Code Electrical, AutoCAD Civil 3D.

AutoLISP is an AutoCAD programming language which uses AutoLISP, an extension of the Lisp programming language, and is supported by AutoCAD 2009 and later. With AutoLISP, AutoCAD programmers can extend AutoCAD, and create Autodesk Exchange Apps for AutoCAD. AutoLISP has basic support for user interfaces.

Lisp is a programming language and general-purpose programming language. It was developed at the Massachusetts Institute of Technology in 1958 by John McCarthy, who coined the term.

See also
Autodesk Authorized Training Centers
Comparison of CAD software
List of CAD software
List of CAD software
CAD Architect


Further reading

Category:Computer-aided design software
Category:AutoCADGrowth patterns of patients with acute lymphoblastic leukemia in Japan.
To better understand the clinical characteristics of acute lymphoblastic leukemia (ALL) in Japan, we reviewed the data of a multicenter cooperative study. The study included 280 patients with ALL who were treated with either the AIEOP-BFM-90 protocol or a modified protocol at 9 institutions in Japan from 1980 to 1996. There were 281 episodes of ALL in which the patients’ characteristics were described. The median age was 4.6 years (range, 0.3-54 years). Patients were mostly boys (n = 228; 83%) and a few had Down syndrome (n = 4; 1.4%). ALL was diagnosed using the FAB classification in 275 episodes (99%) and WHO classification in 2 (0.7%). Of the 280 episodes, 236 (84%) were treated with the AIEOP-BFM-90 protocol, and 44 (16%) were treated with a modified protocol. The modified protocol consisted of regimens based on the AIEOP-BFM-90 protocol with lower doses of anthracycline and (in a few cases) vincristine. There was no significant difference in the response rate among the two protocols. The median age

AutoCAD 23.0 Keygen

On the top menu bar, select File > New > Vector Design.
A new vector design file will be opened.
In this vector file, you will draw the circles.

You may scale the vector design by double clicking on the object.
The scale factor (scale ratio) of the vector object will be changed.

Close the file window.
Open the file window and select Scale from the Scale tab.
Double click on one of the objects to scale it.
Then close the window.

Delete the two circles.
Save the vector file.
Name the vector file circle01.svg


When you scale the vector object, the scale factor will be reduced.

Add scale factor to all the objects.
You can find the scale factor by double clicking the object.
Then right click on the object and select Scale option.
Then scale the object from the Scale/Rotation/Translate tab.

If you want to create a circle, you can double click on the circle.
Then on the Scale tab, click on Scale/Rotation/Translate > circle01
Then a new circle will be created.
Now you have a circle and a few lines.
Then right click on the line, select Open As Stroke and delete it.
Save the vector file.
Name the file circle02.svg.

We now have the base of the components.

Open the circle01.svg file in Inkscape.
You can find the stroke and fill options on the top menu bar,
select Fill & Stroke from the top menu bar > Fill & Stroke.
You can find the color options on the color palette.
Change the color to white for the fill and change the line style to
fine line.
Select the Circle Tool from the Tool panel.
Select the circle01.svg file from the drop down menu.
Draw a circle.
Click on the circle and select Fill Paths.
The Fill Paths window will appear.
Change the shape to Ellipse

What’s New in the?

Enhance any 2D drawing with 3D modeling tools and 3D markup. You can create textures for your AutoCAD drawing, assign materials and apply shading to textured surfaces. You can even make your drawings 3D and make them rotate around an axis in your model space. AutoCAD’s 3D markup is embedded in your 2D design and your 3D model space, so you don’t need to use a separate 3D design application.

Polar Plots and Projections:

Mark up and visualize 2D or 3D vector data in new ways. Easily plot data points in parallel and orthogonal coordinates, so you can see the distribution of data and its relationship to a feature. Plot a data set on a projection with equal areas for multiple datasets. You can also use polar plots to display the distributions of lines, polygons, circles, or areas in 2D space.

Extend your 2D drawings with 3D capabilities. Use 3D coordinates to specify depth and distance for any 2D or 3D feature or line segment. You can also create a new 3D view, and an approximate height (Z) for any viewport. Additionally, you can use 2D text or lines to create 3D shapes and text.

Batch Geometry:

Create and edit multiple objects at once. Save time by creating or editing multiple objects at once. When you make changes to one object, AutoCAD immediately applies those changes to other objects and you can navigate to other objects to make additional changes. AutoCAD’s batch capabilities also work on many objects at once.

Draw and construct parametric curves and surfaces:

Create, edit, and manage parametric curves and surfaces. Create and edit parametric curves and surfaces in 2D or 3D, and use the new parametric sketching commands to quickly build shapes. Parametric curves and surfaces let you create and edit any shape at any angle. You can also use the options in the controls in the ribbon to edit the shape.

Do your work efficiently:

Stay focused with flexible ribbon and menu bar customization. You can customize the ribbon and menus so you can easily select commands for current project or tasks, or select commands from a drop-down list. You can also add custom tabs to your ribbon to group frequently used commands.

Set up a mobile workflow:

Stay productive on the go with mobile features. With Mobile Work

System Requirements:

• Supported Operating Systems: Windows 7/8/10 (64-bit version)
• Processor: Any Intel x86-64 compatible processor
• RAM: 1 GB or more
• GPU: NVIDIA GeForce GTX 560 or higher with 1 GB of VRAM
• Hard Drive: Free Disk Space 25 GB or more
• CD/DVD drive
• Keyboard & Mouse
• Internet connection
• Display: 1024×768 resolution (16:9)
• DirectX: Version 9