Symbols:Abbreviations/D

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D

D.C.

Differential Coefficient:


Some sources refer to a derivative as a differential coefficient, and abbreviate it D.C.

Some sources call it a derived function.

Such a derivative is also known as an ordinary derivative.

This is to distinguish it from a partial derivative, which applies to functions of more than one independent variable.


In his initial investigations into differential calculus, Isaac Newton coined the term fluxion to mean derivative.


DCC

Descending chain condition


dec

Declination


DES

Data encryption standard


d.f.

Degrees of freedom


d.f.

Rarely: distribution function.

The abbreviation c.d.f. for cumulative distribution function is preferred.


DNF or dnf

Disjunctive normal form.


d.o.f.

Degrees of freedom


D.S.

Disjunctive Syllogism, also known as Modus Tollendo Ponens.


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