Built-in tokens (key words) manipulation

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The tutorial consists of more than 200 live examples from 50 sections given separately for JAVA, C# and C++. Each of the examples can be copied and run on your own environment. In addition, mXparser provides an extensive collection of over 500 built-in math functions, expressions and symbols. Familiarize yourself with the scope and the syntax. Live testing is the best way to learn. Good luck! 🙂

Tutorial Math Collection API spec Download

Below is the code for JAVA, C# (the code for C# is almost identical) and C++. To copy the code, double-click inside the frame.

Case 1: Removing built-in tokens

Java/C# code

// JAVA
// ...
import org.mariuszgromada.math.mxparser.*;

/*
 * Removing built-in tokens methods:
 *
 * mXparser.removeBuiltinTokens(String... tokens)
 * mXparser.unremoveBuiltinTokens(String... tokens)
 * mXparser.unremoveAllBuiltinTokens()
 * mXparser.getBuiltinTokensToRemove()
 */
Expression e;
/*
 * Example 1: Before tokens removal
 */
e = new Expression("sin(pi)+cos(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 1: Before tokens removal");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 2: Removing "sin", "cos" tokens
 */
mXparser.removeBuiltinTokens("sin", "cos");
e = new Expression("sin(pi)+cos(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 2: Removing \"sin\", \"cos\" tokens");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 3: Printing removed built-in tokens
 */
mXparser.consolePrint("*** Example 4: Printing removed built-in tokens : ");
for (String t : mXparser.getBuiltinTokensToRemove() )
    mXparser.consolePrint(t + ", ");
mXparser.consolePrintln();
mXparser.consolePrintln();
/*
 * Example 4: Un-removing built-in token
 */
mXparser.unremoveBuiltinTokens("cos");
e.checkSyntax();
mXparser.consolePrintln("*** Example 4: Un-removing built-in token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 5: Un-removing all built-in token
 */
mXparser.unremoveAllBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 5: Un-removing all built-in token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());

// C#
// ...
using org.mariuszgromada.math.mxparser;

/*
 * Removing built-in tokens methods:
 *
 * mXparser.removeBuiltinTokens(params String[] tokens)
 * mXparser.unremoveBuiltinTokens(params String[] tokens)
 * mXparser.unremoveAllBuiltinTokens()
 * mXparser.getBuiltinTokensToRemove()
 */
Expression e;
/*
 * Example 1: Before tokens removal
 */
e = new Expression("sin(pi)+cos(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 1: Before tokens removal");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 2: Removing "sin", "cos" tokens
 */
mXparser.removeBuiltinTokens("sin", "cos");
e = new Expression("sin(pi)+cos(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 2: Removing \"sin\", \"cos\" tokens");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 3: Printing removed built-in tokens
 */
mXparser.consolePrint("*** Example 4: Printing removed built-in tokens : ");
foreach (String t in mXparser.getBuiltinTokensToRemove() )
    mXparser.consolePrint(t + ", ");
mXparser.consolePrintln();
mXparser.consolePrintln();
/*
 * Example 4: Un-removing built-in token
 */
mXparser.unremoveBuiltinTokens("cos");
e.checkSyntax();
mXparser.consolePrintln("*** Example 4: Un-removing built-in token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 5: Un-removing all built-in token
 */
mXparser.unremoveAllBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 5: Un-removing all built-in token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());

C++ code

#include "org/mariuszgromada/math/mxparser.hpp"
// ...

/*
 * Removing built-in tokens methods:
 *
 * mXparser::removeBuiltinTokens<Strings...>(Strings &&... tokens)
 * mXparser::unremoveBuiltinTokens<Strings...>(Strings &&... tokens)
 * mXparser::unremoveAllBuiltinTokens()
 * mXparser::getBuiltinTokensToRemove()
 */
ExpressionPtr e;
/*
 * Example 1: Before tokens removal
 */
e = new_Expression("sin(pi)+cos(pi)");
e->checkSyntax();
mXparser::consolePrintln("*** Example 1: Before tokens removal");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 2: Removing "sin", "cos" tokens
 */
mXparser::removeBuiltinTokens("sin", "cos");
e = new_Expression("sin(pi)+cos(pi)");
e->checkSyntax();
mXparser::consolePrintln("*** Example 2: Removing \"sin\", \"cos\" tokens");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 3: Printing removed built-in tokens
 */
mXparser::consolePrint("*** Example 4: Printing removed built-in tokens : ");
for (const StringPtr &t : *mXparser::getBuiltinTokensToRemove() )
    mXparser::consolePrint(t + ", ");
mXparser::consolePrintln();
mXparser::consolePrintln();
/*
 * Example 4: Un-removing built-in token
 */
mXparser::unremoveBuiltinTokens("cos");
e->checkSyntax();
mXparser::consolePrintln("*** Example 4: Un-removing built-in token");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 5: Un-removing all built-in token
 */
mXparser::unremoveAllBuiltinTokens();
e->checkSyntax();
mXparser::consolePrintln("*** Example 5: Un-removing all built-in token");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());

Code result

[mXparser-v.5.2.1] *** Example 1: Before tokens removal
[mXparser-v.5.2.1] 

[sin(pi)+cos(pi)]: Starting syntax check...
[sin(pi)+cos(pi)]: No errors detected.
[mXparser-v.5.2.1] *** Example 2: Removing "sin", "cos" tokens
[mXparser-v.5.2.1] 

[sin(pi)+cos(pi)]: Starting syntax check...
[sin(pi)+cos(pi)]: Token 'sin', index 1: Invalid token.
[sin(pi)+cos(pi)]: Token 'cos', index 6: Invalid token.
[sin(pi)+cos(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 4: Printing removed built-in tokens : sin, cos, 
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] *** Example 4: Un-removing built-in token
[mXparser-v.5.2.1] 

[sin(pi)+cos(pi)]: Starting syntax check...
[sin(pi)+cos(pi)]: Token 'sin', index 1: Invalid token.
[sin(pi)+cos(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 5: Un-removing all built-in token
[mXparser-v.5.2.1] 

[sin(pi)+cos(pi)]: Starting syntax check...
[sin(pi)+cos(pi)]: No errors detected.

Case 2: Modifying built-in tokens

Java/C# code

// JAVA
// ...
import org.mariuszgromada.math.mxparser.*;

// To counter the possible ambiguity between
// implied multiplication and unknown tokens
mXparser.disableImpliedMultiplicationMode();

/*
 * Modifying built-in tokens methods:
 *
 * mXparser.modifyBuiltinToken(String currentToken, String newToken)
 * mXparser.modifyBuiltinToken(String currentToken, String newToken, String newTokenDescription)
 * mXparser.unmodifyBuiltinTokens(String... currentOrNewTokens)
 * mXparser.unmodifyAllBuiltinTokens()
 * mXparser.getBuiltinTokensToModify()
 */
Expression e;
/*
 * Example 1: "sine" and "cosine" are not defined
 */
e = new Expression("sine(pi)+cosine(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 1: \"sine\" and \"cosine\" are not defined");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 2: Changing "sin" to "sine"
 */
mXparser.modifyBuiltinToken("sin", "sine");
e.checkSyntax();
mXparser.consolePrintln("*** Example 2: Changing \"sin\" to \"sine\"");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 3: Changing "cos" to "cosine" + setting new description
 */
mXparser.modifyBuiltinToken("cos", "cosine", "My new cosine token");
e.checkSyntax();
mXparser.consolePrintln("*** Example 3: Changing \"cos\" to \"cosine\" + setting new description");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
mXparser.consolePrintHelp("My new cosine");
mXparser.consolePrintln();
/*
 * Example 4: Printing modified built-in tokens
 */
mXparser.consolePrintln("*** Example 4: Printing modified built-in tokens: ");
String[][] modifiedTokens = mXparser.getBuiltinTokensToModify();
mXparser.consolePrintln();
for (int i = 0; i < modifiedTokens.length; i++) {
    String currentToken = modifiedTokens[i][0];
    String newToken = modifiedTokens[i][1];
    String newTokenDescription = modifiedTokens[i][2];
    mXparser.consolePrintln(currentToken + " -> " + newToken + ", " + newTokenDescription);
}
mXparser.consolePrintln();
/*
 * Example 5: Un-modifying "sin" token
 */
e = new Expression("sine(pi)+cosine(pi)");
mXparser.unmodifyBuiltinTokens("sin");
e.checkSyntax();
mXparser.consolePrintln("*** Example 5: Un-modifying \"sin\" token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 6: Un-modifying all modified token
 */
mXparser.unmodifyAllBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 6: Un-modifying all modified token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());

// C#
// ...
using org.mariuszgromada.math.mxparser;

// To counter the possible ambiguity between
// implied multiplication and unknown tokens
mXparser.disableImpliedMultiplicationMode();

/*
 * Modifying built-in tokens methods:
 *
 * mXparser.modifyBuiltinToken(String currentToken, String newToken)
 * mXparser.modifyBuiltinToken(String currentToken, String newToken, String newTokenDescription)
 * mXparser.unmodifyBuiltinTokens(params String[] currentOrNewTokens)
 * mXparser.unmodifyAllBuiltinTokens()
 * mXparser.getBuiltinTokensToModify()
 */
Expression e;
/*
 * Example 1: "sine" and "cosine" are not defined
 */
e = new Expression("sine(pi)+cosine(pi)");
e.checkSyntax();
mXparser.consolePrintln("*** Example 1: \"sine\" and \"cosine\" are not defined");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 2: Changing "sin" to "sine"
 */
mXparser.modifyBuiltinToken("sin", "sine");
e.checkSyntax();
mXparser.consolePrintln("*** Example 2: Changing \"sin\" to \"sine\"");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 3: Changing "cos" to "cosine" + setting new description
 */
mXparser.modifyBuiltinToken("cos", "cosine", "My new cosine token");
e.checkSyntax();
mXparser.consolePrintln("*** Example 3: Changing \"cos\" to \"cosine\" + setting new description");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
mXparser.consolePrintHelp("My new cosine");
mXparser.consolePrintln();
/*
 * Example 4: Printing modified built-in tokens
 */
mXparser.consolePrintln("*** Example 4: Printing modified built-in tokens: ");
String[,] modifiedTokens = mXparser.getBuiltinTokensToModify();
mXparser.consolePrintln();
for (int i = 0; i < modifiedTokens.Length; i++) {
    String currentToken = modifiedTokens[i,0];
    String newToken = modifiedTokens[i,1];
    String newTokenDescription = modifiedTokens[i,2];
    mXparser.consolePrintln(currentToken + " -> " + newToken + ", " + newTokenDescription);
}
mXparser.consolePrintln();
/*
 * Example 5: Un-modifying "sin" token
 */
e = new Expression("sine(pi)+cosine(pi)");
mXparser.unmodifyBuiltinTokens("sin");
e.checkSyntax();
mXparser.consolePrintln("*** Example 5: Un-modifying \"sin\" token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 6: Un-modifying all modified token
 */
mXparser.unmodifyAllBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 6: Un-modifying all modified token");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());

C++ code

#include "org/mariuszgromada/math/mxparser.hpp"
// ...

// To counter the possible ambiguity between
// implied multiplication and unknown tokens
mXparser::disableImpliedMultiplicationMode();

/*
 * Modifying built-in tokens methods:
 *
 * mXparser::modifyBuiltinToken(String currentToken, String newToken)
 * mXparser::modifyBuiltinToken(String currentToken, String newToken, String newTokenDescription)
 * mXparser::unmodifyBuiltinTokens<Strings...>(Strings &&... currentOrNewTokens)
 * mXparser::unmodifyAllBuiltinTokens()
 * mXparser::getBuiltinTokensToModify()
 */
ExpressionPtr e;
/*
 * Example 1: "sine" and "cosine" are not defined
 */
e = new_Expression("sine(pi)+cosine(pi)");
e->checkSyntax();
mXparser::consolePrintln("*** Example 1: \"sine\" and \"cosine\" are not defined");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 2: Changing "sin" to "sine"
 */
mXparser::modifyBuiltinToken("sin", "sine");
e->checkSyntax();
mXparser::consolePrintln("*** Example 2: Changing \"sin\" to \"sine\"");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 3: Changing "cos" to "cosine" + setting new_description
 */
mXparser::modifyBuiltinToken("cos", "cosine", "My new cosine token");
e->checkSyntax();
mXparser::consolePrintln("*** Example 3: Changing \"cos\" to \"cosine\" + setting new description");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
mXparser::consolePrintHelp("My new_cosine");
mXparser::consolePrintln();
/*
 * Example 4: Printing modified built-in tokens
 */
mXparser::consolePrintln("*** Example 4: Printing modified built-in tokens: ");
ArrayPtr<StringPtr> modifiedTokens = mXparser::getBuiltinTokensToModify();
mXparser::consolePrintln();
for (int i = 0; i < modifiedTokens->length; i++) {
    StringPtr currentToken = (*modifiedTokens)(i, 0);
    StringPtr newToken = (*modifiedTokens)(i, 1);
    StringPtr newTokenDescription = (*modifiedTokens)(i, 2);
    mXparser::consolePrintln(currentToken + " -> " + newToken + ", " + newTokenDescription);
}
mXparser::consolePrintln();
/*
 * Example 5: Un-modifying "sin" token
 */
e = new_Expression("sine(pi)+cosine(pi)");
mXparser::unmodifyBuiltinTokens("sin");
e->checkSyntax();
mXparser::consolePrintln("*** Example 5: Un-modifying \"sin\" token");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 6: Un-modifying all modified token
 */
mXparser::unmodifyAllBuiltinTokens();
e->checkSyntax();
mXparser::consolePrintln("*** Example 6: Un-modifying all modified token");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());

Code result

[mXparser-v.5.2.1] *** Example 1: "sine" and "cosine" are not defined
[mXparser-v.5.2.1] 

[sine(pi)+cosine(pi)]: Starting syntax check...
[sine(pi)+cosine(pi)]: Token 'sine', index 1: Invalid token.
[sine(pi)+cosine(pi)]: Token 'cosine', index 6: Invalid token.
[sine(pi)+cosine(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 2: Changing "sin" to "sine"
[mXparser-v.5.2.1] 

[sine(pi)+cosine(pi)]: Starting syntax check...
[sine(pi)+cosine(pi)]: Token 'cosine', index 6: Invalid token.
[sine(pi)+cosine(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 3: Changing "cos" to "cosine" + setting new description
[mXparser-v.5.2.1] 

[sine(pi)+cosine(pi)]: Starting syntax check...
[sine(pi)+cosine(pi)]: No errors detected.
[mXparser-v.5.2.1] Help content limited to query: 'My new cosine'
  #  Keyword             Type                    Syntax                                        Since Description
  -  --------            ----                    ------                                        ----- -----------
  1. cosine              <Unary function>        cosine(x)                                     1.0   My new cosine token
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] *** Example 4: Printing modified built-in tokens: 
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] sin -> sine, null
[mXparser-v.5.2.1] cos -> cosine, My new cosine token
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] *** Example 5: Un-modifying "sin" token
[mXparser-v.5.2.1] 

[sine(pi)+cosine(pi)]: Starting syntax check...
[sine(pi)+cosine(pi)]: Token 'sine', index 1: Invalid token.
[sine(pi)+cosine(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 6: Un-modifying all modified token
[mXparser-v.5.2.1] 

[sine(pi)+cosine(pi)]: Starting syntax check...
[sine(pi)+cosine(pi)]: Token 'sine', index 1: Invalid token.
[sine(pi)+cosine(pi)]: Token 'cosine', index 6: Invalid token.
[sine(pi)+cosine(pi)]: Errors have been found.

Case 3: Overriding built-in tokens

Java/C# code

// JAVA: import org.mariuszgromada.math.mxparser.*;
// C#: using org.mariuszgromada.math.mxparser;
// ...

/*
 * Overriding built-in tokens methods:
 *
 * mXparser.setToOverrideBuiltinTokens();
 * mXparser.setNotToOverrideBuiltinTokens();
 * mXparser.checkIfsetToOverrideBuiltinTokens();
 */
Expression e;
/*
 * Example 1: user defined function and user defined constant with name conflict
 */
Function sin = new Function("sin(x) = 2*x");
Constant pi = new Constant("pi = 1");
e = new Expression("sin(pi)", sin, pi);
e.checkSyntax();
mXparser.consolePrintln("*** Example 1: user defined function and user defined constant with name conflict");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
/*
 * Example 2: Setting option to override built-in tokens
 */
mXparser.setToOverrideBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 2: Setting option to override built-in tokens");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());
mXparser.consolePrintln();
mXparser.consolePrintln(e.getExpressionString() + " = " + e.calculate());
/*
 * Example 3: Checking override built-in tokens option
 */
mXparser.consolePrintln();
mXparser.consolePrintln("*** Example 3: Checking override built-in tokens option");
mXparser.consolePrintln(" Option = " + mXparser.checkIfsetToOverrideBuiltinTokens());
/*
 * Example 4: Setting option not to override built-in tokens
 */
mXparser.consolePrintln();
e = new Expression("sin(pi)", sin, pi);
mXparser.setNotToOverrideBuiltinTokens();
e.checkSyntax();
mXparser.consolePrintln("*** Example 4: Setting option not to override built-in tokens");
mXparser.consolePrintln("\n\n" + e.getErrorMessage());

C++ code

#include "org/mariuszgromada/math/mxparser.hpp"
// ...

/*
 * Overriding built-in tokens methods:
 *
 * mXparser::setToOverrideBuiltinTokens();
 * mXparser::setNotToOverrideBuiltinTokens();
 * mXparser::checkIfsetToOverrideBuiltinTokens();
 */
ExpressionPtr e;
/*
 * Example 1: user defined function and user defined constant with name conflict
 */
FunctionPtr sin = new_Function("sin(x) = 2*x");
ConstantPtr pi = new_Constant("pi = 1");
e = new_Expression("sin(pi)", sin, pi);
e->checkSyntax();
mXparser::consolePrintln("*** Example 1: user defined function and user defined constant with name conflict");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
/*
 * Example 2: Setting option to override built-in tokens
 */
mXparser::setToOverrideBuiltinTokens();
e->checkSyntax();
mXparser::consolePrintln("*** Example 2: Setting option to override built-in tokens");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());
mXparser::consolePrintln();
mXparser::consolePrintln(e->getExpressionString() + " = " + e->calculate());
/*
 * Example 3: Checking override built-in tokens option
 */
mXparser::consolePrintln();
mXparser::consolePrintln("*** Example 3: Checking override built-in tokens option");
mXparser_consolePrintln(" Option = " + mXparser::checkIfsetToOverrideBuiltinTokens());
/*
 * Example 4: Setting option not to override built-in tokens
 */
mXparser::consolePrintln();
e = new_Expression("sin(pi)", sin, pi);
mXparser::setNotToOverrideBuiltinTokens();
e->checkSyntax();
mXparser::consolePrintln("*** Example 4: Setting option not to override built-in tokens");
mXparser::consolePrintln("\n\n" + e->getErrorMessage());

Code result

[mXparser-v.5.2.1] *** Example 1: user defined function and user defined constant with name conflict
[mXparser-v.5.2.1] 

[sin(pi)]: Starting syntax check...
[sin(pi)]: Keyword 'pi': Duplicated keywords were found. Check user-defined items. Consider using option to override built-in tokens.
[sin(pi)]: Errors have been found.
[mXparser-v.5.2.1] *** Example 2: Setting option to override built-in tokens
[mXparser-v.5.2.1] 

[sin(pi)]: Starting syntax check...
[sin(pi)]: Token 'sin', index 1: Starting syntax check of the user-defined function.
[sin(pi)]: -> [sin] = [2*x] Starting syntax check...
[sin(pi)]: -> [sin] = [2*x] No errors detected.
[sin(pi)]: No errors detected.
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] sin(pi) = 2.0
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] *** Example 3: Checking override built-in tokens option
[mXparser-v.5.2.1]  Option = true
[mXparser-v.5.2.1] 
[mXparser-v.5.2.1] *** Example 4: Setting option not to override built-in tokens
[mXparser-v.5.2.1] 

[sin(pi)]: Starting syntax check...
[sin(pi)]: Keyword 'pi': Duplicated keywords were found. Check user-defined items. Consider using option to override built-in tokens.
[sin(pi)]: Errors have been found.

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)

GitHub

git clone https://github.com/mariuszgromada/MathParser.org-mXparser

OTHER DOWNLOAD OPTIONS

Download latest release – v.6.1.0 Sagitara: .NET bin only Download latest release – v.6.1.0 Sagitara: JAVA bin only Download latest release – v.6.1.0 Sagitara: bin + doc

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SOURCE CODE

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mXparser – Math Expressions Parser for JAVA, C#, C++, Kotlin, Android, .NET/MONO/Xamarin – Mathematical Formula Parser / Evaluator Library

JAVA, C#, C++, Kotlin, Android, and all .NET platforms (Supports .NET Framework, .NET Core, .NET Standard, Xamarin, MONO and more, common Language Specification Compliant: VB, F#, C++/CLI). Available via Nuget, Maven, CMake, GitHub.

TO SUPPORT MY WORK, ORDER A COMMERCIAL LICENSE

THANK YOU!

Below is the code for JAVA, C# (the code for C# is almost identical) and C++. To copy the code, double-click inside the frame.

Case 1: Removing built-in tokens

Java/C# code

C++ code

Code result

Case 2: Modifying built-in tokens

Java/C# code

C++ code

Code result

Case 3: Overriding built-in tokens

Java/C# code

C++ code

Code result

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

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

Maven – Gradle

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

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Scalar is a powerful math engine and math scripting language powered by the MathParser.org-mXparser

Click on the video and see Scalar in action 🙂

Scalar – lite version

Scalar Pro – full professional version

I wish you all the best 🙂

I wish you all the best 🙂