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Historically, computer language syntax was restricted to the ASCII character set, and the asterisk * became the de facto symbol for the multiplication operator. This selection is reflected in the numeric keypad on English-language keyboards, where the arithmetic operations of addition, subtraction, multiplication and division are represented by ...
The Unicode Standard encodes almost all standard characters used in mathematics. [1] Unicode Technical Report #25 provides comprehensive information about the character repertoire, their properties, and guidelines for implementation. [1]
The cross product with respect to a right-handed coordinate system. In mathematics, the cross product or vector product (occasionally directed area product, to emphasize its geometric significance) is a binary operation on two vectors in a three-dimensional oriented Euclidean vector space (named here ), and is denoted by the symbol .
PARI/GP is a computer algebra system that facilitates number-theory computation. Besides support of factoring, algebraic number theory, and analysis of elliptic curves, it works with mathematical objects like matrices, polynomials, power series , algebraic numbers, and transcendental functions . [ 3 ]
This is similar to the concept of assignment in computer science, which is variously denoted (depending on the programming language used) =,:=,, … ≠ (not-equal sign) Denotes inequality and means "not equal". ≈ The most common symbol for denoting approximate equality.
This is a common procedure in mathematics, used to reduce fractions or calculate a value for a given variable in a fraction. If we have an equation =, where x is a variable we are interested in solving for, we can use cross-multiplication to determine that =.
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Coptic cross, associated with Coptic Christians ; Celtic cross, associated with Christian in the Early Middle Ages ; Crosses in heraldry, including U+1F540 CIRCLED CROSS POMMEE, U+1F902 車 CIRCLED CROSS FORMEE and variants thereof; In mathematics and computing: Direct sum, an operation from abstract algebra; Dilation (morphology), mathematical ...