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2. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   The order of operations, that is, the order in which the operations in an expression are usually performed, results from a convention adopted throughout mathematics, science, technology and many computer programming languages. It is summarized as: [2] [5] Parentheses; Exponentiation; Multiplication and division; Addition and subtraction

3. Farey sequence - Wikipedia

   en.wikipedia.org/wiki/Farey_sequence

   The Farey sequence of order n contains all of the members of the Farey sequences of lower orders. In particular F n contains all of the members of F n−1 and also contains an additional fraction for each number that is less than n and coprime to n. Thus F 6 consists of F 5 together with the fractions ⁠ 1 / 6 ⁠ and ⁠ 5 / 6 ⁠.

4. Division (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Division_(mathematics)

   The other operations are addition, subtraction, and multiplication. What is being divided is called the dividend , which is divided by the divisor , and the result is called the quotient . At an elementary level the division of two natural numbers is, among other possible interpretations , the process of calculating the number of times one ...

5. Arithmetic - Wikipedia

   en.wikipedia.org/wiki/Arithmetic

   Commutativity and associativity are laws governing the order in which some arithmetic operations can be carried out. An operation is commutative if the order of the arguments can be changed without affecting the results. This is the case for addition, for instance, + is the same as +. Associativity is a rule that affects the order in which a ...

6. Unit fraction - Wikipedia

   en.wikipedia.org/wiki/Unit_fraction

   In mathematics education, unit fractions are often introduced earlier than other kinds of fractions, because of the ease of explaining them visually as equal parts of a whole. [ 22 ] [ 23 ] A common practical use of unit fractions is to divide food equally among a number of people, and exercises in performing this sort of fair division are a ...

7. Operation chart - Wikipedia

   en.wikipedia.org/wiki/Operation_chart

   The operation chart is a graphical and symbolic representation of the manufacturing operations used to produce a product. [1] The operation chart illustrates only the value-adding activities in the manufacturing process; therefore, material handling and storage are not illustrated in this chart. operation chart records the overall picture of process and sequencewise steps of operations.