Tag Archives | Mathematics

ABACUS

Tool made of wood and wire, used for simple arithmetic operations. It is also called "counting frame".

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ABELIAN GROUP

Also known as commutative group. Group where final result does not depend on the order of performed arithmetic operations.

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ABSCISSA

In mathematics it refers to the line which is plotted on the horizontal axis of a two-dimensional Cartesian coordinate system; it lays perpendicular to the y-axis.

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ABSOLUTE

Perfect in quality; complete; pure; unquestionable, unconditional and final thing.

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ABSOLUTE COEFFICIENT

Numerical multiplier with absolute value.

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ABSOLUTE CONVERGENCE

In mathematics, a series of numbers whose sum of absolute value is finite.

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ABUNDANT NUMBER

Number for which the sum of its divisors is greater than the number itself. 12 is the first abundant number: 1 + 2 + 3 + 4 + 6 = 16 > 12.

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ACCUMULATION POINT

A point which is the limit of a sequence. It is also called a limit point.

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ACUTE ANGLE

A positive angle that measures less than 90

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AD INFINITUM

Latin phrase used to describe a non-terminating process. It literally means "to infinity" and " forevermore".

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