Symbols:F

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femto-

$\mathrm f$

The Système Internationale d'Unités symbol for the metric scaling prefix femto, denoting $10^{\, -15 }$, is $\mathrm { f }$.

Its $\LaTeX$ code is \mathrm {f} .

Hexadecimal

$\mathrm F$ or $\mathrm f$

The hexadecimal digit $15$.

Its $\LaTeX$ code is \mathrm F  or \mathrm f.

Function

$\map f x$

The letter $f$, along with $g$ and $h$, is frequently used to denote a general mapping or function, in particular a real function.

The $\LaTeX$ code for \(\map f x\) is \map f x .

Force

$f$ or $\mathbf F$

The usual symbols used to denote the force on a body are $f$ or $\mathbf F$.

Its $\LaTeX$ code is f .

Its $\LaTeX$ code is \mathbf F .

Primitive

$\map F x$

Given a real function $f$, the primitive of $f$ is often denoted $F$:

$\map F x = \ds \int \map f x \rd x$

The $\LaTeX$ code for \(\map F x\) is \map F x .

Predicate

$F a$

Frequently used to denote a general unspecified predicate in the context of predicate logic, for example:

$F a$ represents:

$a$ has property $F$

The $\LaTeX$ code for \(F a\) is F a .

False

$\F$

Symbol generally used for falsehood.

A statement has a truth value of false if and only if what it says does not match the way that things are.

The $\LaTeX$ code for \(\F\) is \F .

Farad

$\mathrm F$

The symbol for the farad is $\mathrm F$.

Its $\LaTeX$ code is \mathrm F .

Faraday

$\mathrm F$

The symbol for the faraday is $\mathrm F$.

Its $\LaTeX$ code is \mathrm F .

Galois Field

$\map \GF p$

Used to denote a Galois field of $p$ elements.

The $\LaTeX$ code for \(\map \GF p\) is \map \GF p .

Incomplete Elliptic Integral of the First Kind

$\map F {k, \phi}$

$\ds \map F {k, \phi} = \int \limits_0^\phi \frac {\d \phi} {\sqrt {1 - k^2 \sin^2 \phi} }$

is the incomplete elliptic integral of the first kind, and is a function of the variables:

$k$, defined on the interval $0 < k < 1$

$\phi$, defined on the interval $0 \le \phi \le \pi / 2$.

The $\LaTeX$ code for \(\map F {k, \phi}\) is \map F {k, \phi} .

Foot

$\mathrm {ft}$

The symbol for the foot is $\mathrm {ft}$.

Its $\LaTeX$ code is \mathrm {ft} .

Cubic Foot

$\mathrm {ft}^3$

The symbol for the cubic foot is $\mathrm {ft}^3$.

Its $\LaTeX$ code is \mathrm {ft}^3 .

Foot-Pound

$\mathrm {ft} \, \mathrm {lb}$ or $\mathrm {ft} \, \mathrm {lbf}$

The symbol for the foot-pound is $\mathrm {ft} \, \mathrm {lb}$ or $\mathrm {ft} \, \mathrm {lbf}$.

The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lb}\) is \mathrm {ft} \, \mathrm {lb} .

The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lbf}\) is \mathrm {ft} \, \mathrm {lbf} .

Foot-Poundal

$\mathrm {ft} \text- \mathrm {pdl}$

The symbol for the foot-poundal is $\mathrm {ft} \text- \mathrm {pdl}$.

The $\LaTeX$ code for \(\mathrm {ft} \text- \mathrm {pdl}\) is \mathrm {ft} \text- \mathrm {pdl} .

Foot Pound Force per Second

$\mathrm {ft} \, \mathrm {lbf} / \mathrm s$

The symbol for the foot pound force per second is $\mathrm {ft} \, \mathrm {lbf} / \mathrm s$.

The $\LaTeX$ code for \(\mathrm {ft} \, \mathrm {lbf} / \mathrm s\) is \mathrm {ft} \, \mathrm {lbf} / \mathrm s .

Foot of Water

$\mathrm {ft \, H_2 O}$

The symbol for the foot of water is $\mathrm {ft \, H_2 O}$.

The $\LaTeX$ code for \(\mathrm {ft \, H_2 O}\) is \mathrm {ft \, H_2 O} .

Fahrenheit

$\fahr$

The symbol for the degree Fahrenheit is $\fahr$.

The $\LaTeX$ code for \(\fahr\) is \fahr .

Foot per Second

$\mathrm {ft \, s^{-1} }$ or $\mathrm {ft / s}$

The symbol for the foot per second is $\mathrm {ft \, s^{-1} }$ or, less formally, $\mathrm {ft / s}$.

The $\LaTeX$ code for \(\mathrm {ft \, s^{-1} }\) is \mathrm {ft \, s^{-1} } .

The $\LaTeX$ code for \(\mathrm {ft / s}\) is \mathrm {ft / s} .

Foot per Second Squared

$\mathrm {ft \, s^{-2} }$ or $\mathrm {ft / s^2}$

The symbol for the foot per second squared is $\mathrm {ft \, s^{-2} }$ or, less formally, $\mathrm {ft / s^2}$.

The $\LaTeX$ code for \(\mathrm {ft \, s^{-2} }\) is \mathrm {ft \, s^{-2} } .

The $\LaTeX$ code for \(\mathrm {ft / s^2}\) is \mathrm {ft / s^2} .

Square Foot per Second

$\mathrm {ft^2 / s}$

The symbol for the square foot per second is $\mathrm {ft^2 / s}$.

Its $\LaTeX$ code is \mathrm {ft^2 / s} .

Franklin

$\mathrm {Fr}$

The symbol for the franklin is $\mathrm {Fr}$.

Its $\LaTeX$ code is \mathrm {Fr} .

Magnetomotive Force

$\FF$

The usual symbol used to denote magnetomotive force is $\FF$.

Its $\LaTeX$ code is \FF .

Faraday Constant

$F$

The symbol for the Faraday constant is $F$.

Its $\LaTeX$ code is F .

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