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2. Khan Academy - Wikipedia

   en.wikipedia.org/wiki/Khan_Academy

   The video tutorials were recorded on his computer. [ 10 ] Reading positive responses in USA Today prompted Khan to incorporate Khan Academy in 2008 and quit his job the same year to focus full-time on creating educational tutorials (then released under the name Khan Academy ) [ 11 ] Khan Lab School , a school founded by Sal Khan and associated ...

3. Free algebra - Wikipedia

   en.wikipedia.org/wiki/Free_algebra

   More generally, one can construct the free algebra R E on any set E of generators. Since rings may be regarded as Z-algebras, a free ring on E can be defined as the free algebra Z E . Over a field, the free algebra on n indeterminates can be constructed as the tensor algebra on an n-dimensional vector space.

4. List of educational video websites - Wikipedia

   en.wikipedia.org/wiki/List_of_educational_video...

   Free ? Crash Course (YouTube) Do Lectures: Multidisciplinary Videos of live talks and lectures. Free Creative Commons Attribution–NonCommercial–NonDerivative: YouTube: EdX: Multidisciplinary Educational courses with lectures, quizzes and exams provided by universities for free. Free/Paid ? EdX: FORA.tv: Multidisciplinary Academic videos ...

5. List of educational software - Wikipedia

   en.wikipedia.org/wiki/List_of_educational_software

   Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

6. List of open-source software for mathematics - Wikipedia

   en.wikipedia.org/wiki/List_of_open-source...

   SageMath is designed partially as a free alternative to the general-purpose mathematics products Maple and MATLAB. It can be downloaded or used through a web site. SageMath comprises a variety of other free packages, with a common interface and language. SageMath is developed in Python.

7. Free object - Wikipedia

   en.wikipedia.org/wiki/Free_object

   In mathematics, the idea of a free object is one of the basic concepts of abstract algebra.Informally, a free object over a set A can be thought of as being a "generic" algebraic structure over A: the only equations that hold between elements of the free object are those that follow from the defining axioms of the algebraic structure.

8. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Category:Algebras - Wikipedia

   en.wikipedia.org/wiki/Category:Algebras

   Download QR code; Print/export Download as PDF; Printable version; In other projects ... Free algebra; Frobenius algebra; Frobenius theorem (real division algebras)