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2. AOL Mail

   mail.aol.com

   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!

3. Power residue symbol - Wikipedia

   en.wikipedia.org/wiki/Power_residue_symbol

   In algebraic number theory the n-th power residue symbol (for an integer n > 2) is a generalization of the (quadratic) Legendre symbol to n-th powers. These symbols are used in the statement and proof of cubic , quartic , Eisenstein , and related higher [ 1 ] reciprocity laws .

4. Floor and ceiling functions - Wikipedia

   en.wikipedia.org/wiki/Floor_and_ceiling_functions

   In some sources, boldface or double brackets x are used for floor, and reversed brackets x or ]x[for ceiling. [7] [8] The fractional part is the sawtooth function, denoted by {x} for real x and defined by the formula {x} = x − ⌊x⌋ [9] For all x, 0 ≤ {x} < 1. These characters are provided in Unicode:

5. Luxury goods - Wikipedia

   en.wikipedia.org/wiki/Luxury_goods

   In economics, a luxury good (or upmarket good) is a good for which demand increases more than what is proportional as income rises, so that expenditures on the good become a more significant proportion of overall spending. Luxury goods are in contrast to necessity goods, where demand increases proportionally less than income. [1]

6. Seven Stars Luxury Hospitality and Lifestyle Awards - Wikipedia

   en.wikipedia.org/wiki/Seven_Stars_Luxury...

   Qatar Airways won the Seven Star First Class Lounge Award [8] and Valentine Ozigbo received the Seven Stars CEO of the Year Award. [9] The Maharajas' Express, owned and operated by the Indian Railway Catering and Tourism Corporation (IRCTC), received the 2016 Seven Stars Luxury Hospitality and Lifestyle Awards in the Seven Star Experience ...

7. nth root - Wikipedia

   en.wikipedia.org/wiki/Nth_root

   An n th root of a number x, where n is a positive integer, is any of the n real or complex numbers r whose nth power is x: r n = x . {\displaystyle r^{n}=x.} Every positive real number x has a single positive n th root, called the principal n th root , which is written x n {\displaystyle {\sqrt[{n}]{x}}} .