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  2. Cancelling out - Wikipedia

    en.wikipedia.org/wiki/Cancelling_out

    For example, a fraction is put in lowest terms by cancelling out the common factors of the numerator and the denominator. [2] As another example, if a×b=a×c, then the multiplicative term a can be canceled out if a≠0, resulting in the equivalent expression b=c; this is equivalent to dividing through by a.

  3. Wikipedia:Historical archive/How to draw a diagram with ...

    en.wikipedia.org/wiki/Wikipedia:Historical...

    Arial is probably the best to use because its simple lines come out well when the image is rasterised. It’s better not to use annotation to give a diagram a title. Put the diagram inside a table and use the table caption to do it. That way it can easily be changed. Do not be tempted to use the WordArt button next to the text button. WordArt ...

  4. File:Root Canal Illustration Molar.svg - Wikipedia

    en.wikipedia.org/wiki/File:Root_Canal...

    English: A diagram demonstrating endodontic therapy (colloquially known as a root canal) on unhealthy or injured tooth: first drilling and cleaning, then filing with an endofile, and finally adding the rubber filling and crown.

  5. Weyl group - Wikipedia

    en.wikipedia.org/wiki/Weyl_group

    Specifically, it is the subgroup which is generated by reflections through the hyperplanes orthogonal to at least one of the roots, and as such is a finite reflection group. In fact it turns out that most finite reflection groups are Weyl groups. [1] Abstractly, Weyl groups are finite Coxeter groups, and are important examples of these.

  6. File:Decision diagram for the root test.svg - Wikipedia

    en.wikipedia.org/wiki/File:Decision_diagram_for...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  7. Clearing denominators - Wikipedia

    en.wikipedia.org/wiki/Clearing_denominators

    The first step is to determine a common denominator D of these fractions – preferably the least common denominator, which is the least common multiple of the Q i. This means that each Q i is a factor of D, so D = R i Q i for some expression R i that is not a fraction. Then

  8. List of mathematical abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical...

    sqrt – square root. s.t. – such that or so that or subject to. st – standard part function. STP – [it is] sufficient to prove. SU – special unitary group. sup – supremum of a set. [1] (Also written as lub, which stands for least upper bound.) supp – support of a function. swish – swish function, an activation function in data ...

  9. Root canal - Wikipedia

    en.wikipedia.org/wiki/Root_canal

    An unusual root canal shape, complex branching (especially the existence of horizontal branches), and multiple root canals are considered as the main causes of root canal treatment failures. (e.g. If a secondary root canal goes unnoticed by the dentist and is not cleaned and sealed, it will remain infected, causing the root canal therapy to fail).