Unary Functions

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mXparser provides a rich collection of built-in math functions, math expressions, and math symbols. Familiarize yourself with the scope and the syntax. Math collection internal help is also available directly from the software – see the tutorial and the API documentation for all the details. The math collection library is available at runtime and is fully and identically supported by the Java (including Kotlin, Android), C# (all .NET) and C++ versions.

Tutorial Math Collection API spec Download

mXparser – built-in Unary Functions

Keyword	Type	Syntax	Since	Description
sin	Unary function	sin(x)	1.0	Trigonometric sine – Unary function
cos	Unary function	cos(x)	1.0	Trigonometric cosine – Unary function
tg	Unary function	tg(x)	1.0	Trigonometric tangent – Unary function
tan	Unary function	tan(x)	1.0	Trigonometric tangent – Unary function
ctg	Unary function	ctg(x)	1.0	Trigonometric cotangent – Unary function
cot	Unary function	cot(x)	1.0	Trigonometric cotangent – Unary function
ctan	Unary function	ctan(x)	1.0	Trigonometric cotangent – Unary function
sec	Unary function	sec(x)	1.0	Trigonometric secant – Unary function
csc	Unary function	csc(x)	1.0	Trigonometric cosecant – Unary function
cosec	Unary function	cosec(x)	1.0	Trigonometric cosecant – Unary function
asin	Unary function	asin(x)	1.0	Inverse trigonometric sine – Unary function
arsin	Unary function	arsin(x)	1.0	Inverse trigonometric sine – Unary function
arcsin	Unary function	arcsin(x)	1.0	Inverse trigonometric sine – Unary function
acos	Unary function	acos(x)	1.0	Inverse trigonometric cosine – Unary function
arcos	Unary function	arcos(x)	1.0	Inverse trigonometric cosine – Unary function
arccos	Unary function	arccos(x)	1.0	Inverse trigonometric cosine – Unary function
atg	Unary function	atg(x)	1.0	Inverse trigonometric tangent – Unary function
atan	Unary function	atan(x)	1.0	Inverse trigonometric tangent – Unary function
arctg	Unary function	arctg(x)	1.0	Inverse trigonometric tangent – Unary function
arctan	Unary function	arctan(x)	1.0	Inverse trigonometric tangent – Unary function
actg	Unary function	actg(x)	1.0	Inverse trigonometric cotangent – Unary function
acot	Unary function	acot(x)	1.0	Inverse trigonometric cotangent – Unary function
actan	Unary function	actan(x)	1.0	Inverse trigonometric cotangent – Unary function
arcctg	Unary function	arcctg(x)	1.0	Inverse trigonometric cotangent – Unary function
arccot	Unary function	arccot(x)	1.0	Inverse trigonometric cotangent – Unary function
arcctan	Unary function	arcctan(x)	1.0	Inverse trigonometric cotangent – Unary function
ln	Unary function	ln(x)	1.0	Natural logarithm (base e) – Unary function
log2	Unary function	log2(x)	1.0	Binary logarithm (base 2) – Unary function
lg	Unary function	lg(x)	5.0	Common logarithm (base 10) – Unary function
log10	Unary function	log10(x)	1.0	Common logarithm (base 10) – Unary function
rad	Unary function	rad(x)	1.0	Degrees to radians – Unary function
exp	Unary function	exp(x)	1.0	Exponential – Unary function
sqrt	Unary function	sqrt(x)	1.0	Squre root – Unary function
sinh	Unary function	sinh(x)	1.0	Hyperbolic sine – Unary function
cosh	Unary function	cosh(x)	1.0	Hyperbolic cosine – Unary function
tgh	Unary function	tgh(x)	1.0	Hyperbolic tangent – Unary function
tanh	Unary function	tanh(x)	1.0	Hyperbolic tangent – Unary function
coth	Unary function	coth(x)	1.0	Hyperbolic cotangent – Unary function
ctgh	Unary function	ctgh(x)	1.0	Hyperbolic cotangent – Unary function
ctanh	Unary function	ctanh(x)	1.0	Hyperbolic cotangent – Unary function
sech	Unary function	sech(x)	1.0	Hyperbolic secant – Unary function
csch	Unary function	csch(x)	1.0	Hyperbolic cosecant – Unary function
cosech	Unary function	cosech(x)	1.0	Hyperbolic cosecant – Unary function
deg	Unary function	deg(x)	1.0	Radians to degrees – Unary function
abs	Unary function	abs(x)	1.0	Absolut value – Unary function
sgn	Unary function	sgn(x)	1.0	Signum – Unary function
floor	Unary function	floor(x)	1.0	Floor – Unary function
ceil	Unary function	ceil(x)	1.0	Ceiling – Unary function
not	Unary function	not(x)	1.0	Negation – Unary function
asinh	Unary function	asinh(x)	1.0	Inverse hyperbolic sine – Unary function
arsinh	Unary function	arsinh(x)	1.0	Inverse hyperbolic sine – Unary function
arcsinh	Unary function	arcsinh(x)	1.0	Inverse hyperbolic sine – Unary function
acosh	Unary function	acosh(x)	1.0	Inverse hyperbolic cosine – Unary function
arcosh	Unary function	arcosh(x)	1.0	Inverse hyperbolic cosine – Unary function
arccosh	Unary function	arccosh(x)	1.0	Inverse hyperbolic cosine – Unary function
atgh	Unary function	atgh(x)	1.0	Inverse hyperbolic tangent – Unary function
atanh	Unary function	atanh(x)	1.0	Inverse hyperbolic tangent – Unary function
arctgh	Unary function	arctgh(x)	1.0	Inverse hyperbolic tangent – Unary function
arctanh	Unary function	arctanh(x)	1.0	Inverse hyperbolic tangent – Unary function
acoth	Unary function	acoth(x)	1.0	Inverse hyperbolic cotangent – Unary function
actgh	Unary function	actgh(x)	1.0	Inverse hyperbolic cotangent – Unary function
actanh	Unary function	actanh(x)	1.0	Inverse hyperbolic cotangent – Unary function
arcoth	Unary function	arcoth(x)	1.0	Inverse hyperbolic cotangent – Unary function
arccoth	Unary function	arccoth(x)	1.0	Inverse hyperbolic cotangent – Unary function
arcctgh	Unary function	arcctgh(x)	1.0	Inverse hyperbolic cotangent – Unary function
arcctanh	Unary function	arcctanh(x)	1.0	Inverse hyperbolic cotangent – Unary function
asech	Unary function	asech(x)	1.0	Inverse hyperbolic secant – Unary function
arsech	Unary function	arsech(x)	1.0	Inverse hyperbolic secant – Unary function
arcsech	Unary function	arcsech(x)	1.0	Inverse hyperbolic secant – Unary function
acsch	Unary function	acsch(x)	1.0	Inverse hyperbolic cosecant – Unary function
arcsch	Unary function	arcsch(x)	1.0	Inverse hyperbolic cosecant – Unary function
arccsch	Unary function	arccsch(x)	1.0	Inverse hyperbolic cosecant – Unary function
acosech	Unary function	acosech(x)	1.0	Inverse hyperbolic cosecant – Unary function
arcosech	Unary function	arcosech(x)	1.0	Inverse hyperbolic cosecant – Unary function
arccosech	Unary function	arccosech(x)	1.0	Inverse hyperbolic cosecant – Unary function
Sa	Unary function	Sa(x)	1.0	Sinc (normalized) – Unary function
sinc	Unary function	sinc(x)	1.0	Sinc (normalized) – Unary function
Sinc	Unary function	Sinc(x)	1.0	Sinc (unnormalized) – Unary function
Bell	Unary function	Bell(n)	1.0	Bell number – Unary function
Luc	Unary function	Luc(n)	1.0	Lucas number – Unary function
Fib	Unary function	Fib(n)	1.0	Fibonacci number – Unary function
harm	Unary function	harm(n)	1.0	Harmonic number – Unary function
ispr	Unary function	ispr(n)	2.3	Prime number test (is number a prime?) – Unary function
Pi	Unary function	Pi(n)	2.3	Prime-counting π(n) – Unary function
Ei	Unary function	Ei(x)	2.3	Exponential integral – Special function Ei(x) – Unary function
li	Unary function	li(x)	2.3	Logarithmic integral – Special function li(x) – Unary function
Li	Unary function	Li(x)	2.3	Offset logarithmic integral – Special function Li(x) – Unary function
erf	Unary function	erf(x)	3.0	Gauss error – Special function erf(x) – Unary function
erfc	Unary function	erfc(x)	3.0	Gauss complementary error – Special function erfc(x) – Unary function
erfInv	Unary function	erfInv(x)	3.0	Inverse Gauss error – Special function erf⁻¹(y) – Unary function
erfcInv	Unary function	erfcInv(x)	3.0	Inverse Gauss complementary error – Special function erfc⁻¹(x) – Unary function
ulp	Unary function	ulp(x)	3.0	Unit in The Last Place – Unary function
isNaN	Unary function	isNaN(x)	4.1	Returns true if value is a Not-a-Number (NaN), false otherwise (true=1, false=1) – Unary function
ndig10	Unary function	ndig10(x)	4.1	Number of digits in numeral system with base 10 – Unary function
nfact	Unary function	nfact(x)	4.1	Prime decomposition – number of distinct prime factors – Unary function
arcsec	Unary function	arcsec(x)	4.1	Inverse trigonometric secant – Unary function
arccsc	Unary function	arccsc(x)	4.1	Inverse trigonometric cosecant – Unary function
Gamma	Unary function	Gamma(x)	4.2	Gamma – Special function Γ(s) – Unary function
LambW0	Unary function	LambW0(x)	4.2	Lambert-W, principal branch 0, also called the omega or product logarithm – Special function W₀(x) – Unary function
LambW1	Unary function	LambW1(x)	4.2	Lambert-W, branch -1, also called the omega or product logarithm – Special function W₋₁(x) – Unary function
sgnGamma	Unary function	sgnGamma(x)	4.2	Signum of Gamma – Special function Γ(s) – Unary function
logGamma	Unary function	logGamma(x)	4.2	Log Gamma – Special function lnΓ(s) – Unary function
diGamma	Unary function	diGamma(x)	4.2	Digamma as the logarithmic derivative of the Gamma – Special function ψ(x) – Unary function
rStud	Unary function	rStud(v)	5.0	Random variable – Student’s t-distribution – Unary function
rChi2	Unary function	rChi2(k)	5.0	Random variable – Chi-squared distribution – Unary function

as of 2023-01-29

Nuget – Package Manager (C#, F#, Visual Basic, …)

Install-Package MathParser.org-mXparser -Version 6.1.0

Nuget – .NET CLI

dotnet add package MathParser.org-mXparser --version 6.1.0

Nuget – Package Reference

<PackageReference Include="MathParser.org-mXparser" Version="6.1.0"/>

Maven – Dependency (Java, Kotlin, Scala, Groovy, …)

<dependency> <groupid>org.mariuszgromada.math</groupid> <artifactid>MathParser.org-mXparser</artifactid> <version>6.1.0</version> </dependency>

Maven – Gradle

implementation 'org.mariuszgromada.math:MathParser.org-mXparser:6.1.0'

CMake – Dependency / FetchContent (C++, MSVC, LLVM/Clang, GNU/GCC, MinGW, MSYS2, WSL, Windows, Linux, Unix, MacOS)

include(FetchContent) FetchContent_Declare(MathParserOrgMxParserGIT_REPOSITORYhttps://github.com/mariuszgromada/MathParser.org-mXparser.gitGIT_TAGv.6.1.0SOURCE_SUBDIR CURRENT/cpp/lib ) FetchContent_MakeAvailable(MathParserOrgMxParser) target_link_libraries(YourExecutableMathParserOrgMxParser)