# Calci-kernel

**Repository Path**: gdpmom/Calci-kernel

## Basic Information

- **Project Name**: Calci-kernel
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-10-26
- **Last Updated**: 2021-11-03

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Calci-kernel
A complex calculation kernel in Java (for Calci calculator)

These are complex-number classes to implement complex calculation.<br/>
The content of each class is as follows:<br/>

* Complex.java: Contains a complex number, implemented complex number display (toString method) and some basic complex functions
* Expression.java: Expression parser and expressional functions (such as diff, integ, fzero & so on)
* Result.java: Contains a complex result and error codes
* Function.java: Function names and serials used in Expression.java is registrated in this class
* ParseNumber.java: Number parser for different radixes
* TestMain.java: A sample to test this package

Files are encoded in UTF8. Class Complex, Result & ParseNumber must be used together. Class Expression & Function may separate.<br/>

***
The simplest way to parse an expression and calculate its value is:<br/>
```java
Expression expr = new Expression(string);
System.out.println(expr.value().val);
```

Parsable string examples:<br/>
```
-3*(6+2.5)/4E2-.7*-1.01π
fzero(x^2-x-1,1)
sqrt(4+i)/arctan(-2i-1.1)^i
```

An Android app using this kernel (Calci_X.X.X.apk) is provided.<br/>
The present package is used in Calci 1.3.3.<br/>