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  2. Lists of mathematics topics - Wikipedia

    en.wikipedia.org/wiki/Lists_of_mathematics_topics

    Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions. German mathematician Carl Friedrich Gauss said, "Mathematics is the queen of the sciences—and number theory is the queen of mathematics." Number theory also studies the natural, or whole, numbers.

  3. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  4. List of Internet forums - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_forums

    An Internet forum, or message board, is an online discussion site where people can hold conversations in the form of posted messages. They are an element of social media technologies which take on many different forms including blogs, business networks, enterprise social networks, forums, microblogs, photo sharing, products/services review, social bookmarking, social gaming, social networks ...

  5. List of small groups - Wikipedia

    en.wikipedia.org/wiki/List_of_small_groups

    Common group names: Z n: the cyclic group of order n (the notation C n is also used; it is isomorphic to the additive group of Z / nZ) Dih n: the dihedral group of order 2 n (often the notation D n or D 2n is used) K 4: the Klein four-group of order 4, same as Z2 × Z2 and Dih 2. D 2n: the dihedral group of order 2 n, the same as Dih n ...

  6. List of linguistic example sentences - Wikipedia

    en.wikipedia.org/wiki/List_of_linguistic_example...

    One example: Chinese: 妈妈骑马马慢妈妈骂马; pinyin: māma qí mǎ, mǎ màn, māma mà mǎ; lit. 'Mother is riding a horse', 'the horse is slow', 'mother scolds the horse'. [36] Lion-Eating Poet in the Stone Den: poem of 92 characters, all with the sound shi (in four different tones) when read in Modern Standard Mandarin.

  7. NYT ‘Connections’ Hints and Answers Today, Monday, July 1

    www.aol.com/nyt-connections-hints-answers-today...

    Hints About Today's NYT Connections Categories on Monday, July 1. 1. What a leader or tour guide might do 2. A certain type of shady operation 3. Related to a particular form of money 4. They're ...

  8. Harvard sentences - Wikipedia

    en.wikipedia.org/wiki/Harvard_sentences

    Harvard sentences. The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.

  9. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...