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Multipresicion calculator, based on Bigdecimal Java class .
It has a library (BigMath) that makes calculations with Bigdecimal.
It has also an expression parser to parse the user input.
It allows you to store user defined variables and functions .
You can operate with them to be used for calculations or for creating new functions with composition.
With the new version, you can also calculate the derivative of a function.
This project gives a mathematical parser for converting a simple string expression into a result which can be managed for using in other calculations, all in Java.
Using a couple lines of code, you'll be able to parse complex arithmetic expressions efficiently. This library is powered by Dijkstra's Shuting-yard algorithm.
The library has no dependencies with other external libraries.
Dependency
<dependency>
<groupId>com.google.code.mathparser-java</groupId>
<artifactId>mathparser-java</artifactId>
<version>1.0.0</version>
</dependency>
Expressions supported (Mar/09/2013)
- Arithmetic operations.
...
Repository has been moved to: http://dtitov.github.com/bracer
Java library for parsing and evaluating math expressions.
Javadoc is available at http://bracer.sourceforge.net/javadoc/
P.S. This library depends on Apache Commons Math, so don't forget to include commons-math-2.2.jar to your project.
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