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2. Square (algebra) - Wikipedia

   en.wikipedia.org/wiki/Square_(algebra)

   Square (algebra) 5⋅5, or 52 (5 squared), can be shown graphically using a square. Each block represents one unit, 1⋅1, and the entire square represents 5⋅5, or the area of the square. In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation.

3. Square (financial services) - Wikipedia

   en.wikipedia.org/wiki/Square_(financial_services)

   4 million merchant clients. Launched. 2009; 15 years ago (2009) Current status. Active. Square is a financial services platform by Block, Inc. for small and medium-sized businesses. [1][2] It enables accepting credit card payments using smartphones as POS registers, and facilitates various business operations.

4. List of logic symbols - Wikipedia

   en.wikipedia.org/wiki/List_of_logic_symbols

   propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.

5. Here's What Venus in Libra Square Pluto in Capricorn Means ...

   www.aol.com/heres-venus-libra-square-pluto...

   Read on for what Venus square Pluto means for your zodiac sign. Related: What Is Neptune Retrograde? All About Its Meaning and When It Occurs. Aries (March 21-April 19) Horoscope Sign Aries.

6. Glossary of mathematical symbols - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_mathematical...

   A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

7. Tombstone (typography) - Wikipedia

   en.wikipedia.org/wiki/Tombstone_(typography)

   Tombstone (typography) In mathematics, the tombstone, halmos, end-of-proof, or Q.E.D. symbol "∎" (or " ") is a symbol used to denote the end of a proof, in place of the traditional abbreviation "Q.E.D." for the Latin phrase "quod erat demonstrandum". It is inspired by the typographic practice of end marks, an element that marks the end of an ...

8. Square root - Wikipedia

   en.wikipedia.org/wiki/Square_root

   Square root. Notation for the (principal) square root of x. For example, √ 25 = 5, since 25 = 5 ⋅ 5, or 52 (5 squared). In mathematics, a square root of a number x is a number y such that ; in other words, a number y whose square (the result of multiplying the number by itself, or ) is x. [1] For example, 4 and −4 are square roots of 16 ...

9. Table of mathematical symbols by introduction date - Wikipedia

   en.wikipedia.org/wiki/Table_of_mathematical...

   integral sign. : colon (for division) 1684 (deriving from use of colon to denote fractions, dating back to 1633) ·. middle dot (for multiplication) 1698 (perhaps deriving from a much earlier use of middle dot to separate juxtaposed numbers) ⁄. division slash (a.k.a. solidus)