Physical Constants

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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 Physical Constants

Keyword	Type	Syntax	Since	Description
	Constant value		4.0	Light speed in vacuum – Physical constant c [m/s] (m=1, s=1) – Constant value
[G.]	Constant value	[G.]	4.0	Gravitational constant – Physical constant G (m=1, kg=1, s=1) – Constant value
[g]	Constant value	[g]	4.0	Gravitational acceleration on Earth – Physical constant g [m/s²] (m=1, s=1) – Constant value
[hP]	Constant value	[hP]	4.0	Planck constant – Physical constant h (m=1, kg=1, s=1) – Constant value
[h-]	Constant value	[h-]	4.0	Reduced Planck constant (Dirac constant) – Physical constant ħ (m=1, kg=1, s=1) – Constant value
[lP]	Constant value	[lP]	4.0	Planck length – Physical constant lᵖ [m] (m=1) – Constant value
[mP]	Constant value	[mP]	4.0	Planck mass – Physical constant mᵖ [kg] (kg=1) – Constant value
[tP]	Constant value	[tP]	4.0	Planck time – Physical constant tᵖ [s] (s=1) – Constant value

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)