DG Library FAQs

all Frequently Asked Questions which you need

General

Is DG Library free to use?

Yes, access to the library from the web is free.

Who is DG Library for?

DG Library can be useful for undergraduate and postgraduate students, teachers, researchers and everyone, who is interested in differential geometry and its applications.

Can I access DG Library without internet connection?

No. It's a web-based service and you must to have internet connection to use it.

How can I find the latest information about DG Library?

Subscribe to DigiArea Newsletters or follow us on both Twitter and Facebook for the latest news and updates.

Can I make a suggestion or give comments about DG Library?

Yes, of course! We will glad to get suggestions from you. Just use the Feedback Form.

Using DG Library

How can I get started with DG Library?

Browse the DG Library by Category or by Alphabet pages or watch Image Gallery.

What can I do with DG Library?

You can find hundreds of differential geometry objects and use available object data in your calculations, web articles, education courses etc. You also can get access to the DG Library directly from Mathematica using atlas 2 for Mathematica, which allows you calculate differential geometry entities for each object.

Can I use DG Library directly from Mathematica?

Yes, you can access and use DG Library data directly from Mathematica using atlas 2 for Mathematica - differential geometry tool through Atlas Palette, which also allows you calculate differential geometry entities for each object.
Read more »

Can I use DG Library directly from Maple?

Not yet. This is planned for the future.

How can I copy formulas out of DG Library?

Just click one of the buttons in the top left corner of the every part of "Object definitions" box. Each button open the window with copyable formula in corresponding format.

Can I get Mathematica code from DG Library?

Yes. Whenever appropriate, you can access a link to the plaintext Mathematica input by clicking on the "Mathematica input" button on an object page. Then you can copy the formula and paste directly into Mathematica.

Does DG Library handle languages other than English?

No. Please, use only query on English during the searching in the library.

Can I bookmark DG Library search results or object page?

Yes, you can bookmark and spread their URLs.

Data in DG Library

What can I find in DG Library?

You can find the database of differential geometry objects and related topics. You can get more information of what it covers today by looking at the Library Categories or Alphabet pages. Be in touch with DG Library updates through following resources:

How much data is there in DG Library?

Currently DG Library has:

  • 15 predefined 2D coordinate systems
  • 31 predefined 3D coordinate systems
  • 77 predefined plane curves
  • 17 predefined space curves
  • 32 predefined surfaces
  • 383 Exact Solutions of Einstein's Field Equations
Is the content of DG Library reviewed and checked?

Yes, the content is added and reviewed by our differential geometry experts.

How often is the data in DG Library updated?

We try to update the library as often as possible. Each update we add large portions of new objects at once to cover each specific topic.

What should I do if I find an error in DG Library's data?

Please, tell us! We're always working hard to perfect the quality of our data.

Education & Research

What educational levels is DG Library suitable for?

For all levels which covers differential geometry and its application learning.

I am a student. Can I use DG Library to do my homework?

Yes, of course. DG Library has all differential geometry objects in which the student may need and which most commonly used in differential geometry courses in universities around the world.

What topics are covered by DG Library?

DG Library covers differential geometry and its applications. In addition to common differential geometry objects, DG Library has specific objects such as Exact Solutions of Einstein's Field Equations for General Relativity, and even more...

Terms of use

How may I use data from DG Library?

You can use the contents of DG Library pages for education, research, professional needs and enjoyment.
Pages of DG Library may not be copied, mirrored, redistributed, printed, or reproduced in bulk without permission. Usage for any commercial purposes without permission is prohibited.

Should I cite DG Library when I use data from it?

Yes. DG Library is a primary source.

How should I cite data from DG Library?

The citable author is DG Library. You also have to mentioned direct URL to the library search result or object page.

May I make hyperlinks to DG Library?

Yes, of course. Feel free to make hyperlinks to the DG Library search result or object page.