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Algebra & Functions

Depth-First Search

Depth-First Search is part of the precise language used to study logic, discrete structures, abstract operations, or computation. In plain language, it gives a precise...

Calculus & Change

Derivative

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A derivative measures instantaneous rate of change or the slope of a curve at a point.

Calculus & Change

Derivative Function

Derivative Function names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise nam...

Geometry & Measurement

Derived Unit

Derived Unit names a standard feature of figures, coordinates, transformations, solids, or measurement systems. In plain language, it gives a precise name to one usefu...

Algebra & Functions

Descendant in a Tree

Descendant in a Tree names a structure, relation, rule, or reasoning method used with finite or countable objects. In plain language, it gives a precise name to one us...

Number Sense · Arithmetic

Descending Order

Descending Order is a number-system idea used to classify values, recognize patterns, or carry out reliable computation. In plain language, it gives a precise name to ...

Geometry & Measurement

Diagonal of a Polygon

Diagonal of a Polygon is a geometric object, measurement, relationship, or proof idea used to reason about shape and space. In plain language, it gives a precise name ...

Number Sense · Arithmetic

Difference

Difference describes a number, operation, pattern, or property used to reason about quantity and whole-number structure. In plain language, it gives a precise name to ...

Difference Identity names a ratio, identity, graph feature, or coordinate method used in angle-based reasoning. In plain language, it gives a precise name to one usefu...

Calculus & Change

Difference Quotient

Difference Quotient is an analytic method or object for describing how quantities vary and how small changes accumulate. In plain language, it gives a precise name to ...

Calculus & Change

Differentiability

Differentiability is a calculus or analysis concept used to study change, accumulation, approximation, or multivariable behavior. In plain language, it gives a precise...

Calculus & Change

Differential

Differential is an analytic method or object for describing how quantities vary and how small changes accumulate. In plain language, it gives a precise name to one use...

Calculus & Change

Differential Equation

Differential Equation names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise n...

Number Sense

Digit

A digit is one of the symbols used to write numbers. In base ten, the digits are 0 through 9.

Number Sense · Arithmetic

Digital Root

Digital Root names a standard feature of numbers or arithmetic that helps organize calculation and comparison. In plain language, it gives a precise name to one useful...

Algebra & Functions

Dijkstra Algorithm

Dijkstra Algorithm names a structure, relation, rule, or reasoning method used with finite or countable objects. In plain language, it gives a precise name to one usef...

Fractions, Ratios & Percentages

Dilution

Dilution is a proportional-reasoning idea for relating quantities that may use different units or scales. In plain language, it gives a precise name to one useful feat...

Algebra & Functions

Dimension of a Vector Space

Dimension of a Vector Space is a standard algebraic idea for describing patterns, constraints, transformations, or solution methods. In plain language, it gives a prec...

Fractions, Ratios & Percentages

Dimensional Analysis

Dimensional Analysis describes a part-whole, comparison, rate, scale, or financial relationship. In plain language, it gives a precise name to one useful feature of fr...

Algebra & Functions

Diophantine Equation

Diophantine Equation is part of the precise language used to study logic, discrete structures, abstract operations, or computation. In plain language, it gives a preci...

Fractions, Ratios & Percentages

Direct Proportion

Direct Proportion names a way to express or analyze relative size rather than only absolute size. In plain language, it gives a precise name to one useful feature of f...

Number Sense · Arithmetic

Directed Number

Directed Number is a number-system idea used to classify values, recognize patterns, or carry out reliable computation. In plain language, it gives a precise name to o...

Calculus & Change

Directional Derivative

Directional Derivative is a calculus or analysis concept used to study change, accumulation, approximation, or multivariable behavior. In plain language, it gives a pr...

Calculus & Change

Discontinuity

Discontinuity names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise name to o...

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