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2. Symbols of grouping - Wikipedia

   en.wikipedia.org/wiki/Symbols_of_grouping

   [2] A superscript is understood to be grouped as long as it continues in the form of a superscript. For example if an x has a superscript of the forma+b, the sum is the exponent. For example: x 2+3, it is understood that the 2+3 is grouped, and that the exponent is the sum of 2 and 3. These rules are understood by all mathematicians.

3. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   [2] [3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9. When exponents were introduced in the 16th and 17th centuries, they were given precedence over both addition and multiplication and placed as a superscript to the right of ...

4. List of problems in loop theory and quasigroup theory

   en.wikipedia.org/wiki/List_of_problems_in_loop...

   Construct a conjugacy closed loop whose left multiplication group is not isomorphic to its right multiplication group. Proposed: by Aleš Drápal at Loops '03, Prague 2003; Solved by: Aleš Drápal; Solution: There is such a loop of order 9. In can be obtained in the LOOPS package by the command CCLoop(9,1)

5. Investigations in Numbers, Data, and Space - Wikipedia

   en.wikipedia.org/wiki/Investigations_in_Numbers...

   Investigations was developed between 1990 and 1998. It was just one of a number of reform mathematics curricula initially funded by a National Science Foundation grant. The goals of the project raised opposition to the curriculum from critics (both parents and mathematics teachers) who objected to the emphasis on conceptual learning instead of instruction in more recognized specific methods ...

6. Multiplicative order - Wikipedia

   en.wikipedia.org/wiki/Multiplicative_order

   The multiplicative order of a number a modulo n is the order of a in the multiplicative group whose elements are the residues modulo n of the numbers coprime to n, and whose group operation is multiplication modulo n. This is the group of units of the ring Z n; it has φ(n) elements, φ being Euler's totient function, and is denoted as U(n) or ...

7. Multiply transitive group action - Wikipedia

   en.wikipedia.org/wiki/Multiply_transitive_group...

   A 2-transitive group is a group such that there exists a group action that's 2-transitive and faithful. Similarly we can define sharply 2 -transitive group . Equivalently, g x = w {\displaystyle gx=w} and g y = z {\displaystyle gy=z} , since the induced action on the distinct set of pairs is g ( x , y ) = ( g x , g y ) {\displaystyle g(x,y)=(gx ...