# The Core Module (`kmath-core`) Complex and hypercomplex number systems in KMath: - [complex](src/commonMain/kotlin/kscience/kmath/complex/Complex.kt) : Complex Numbers - [quaternion](src/commonMain/kotlin/kscience/kmath/complex/Quaternion.kt) : Quaternions > #### Artifact: > > This module artifact: `kscience.kmath:kmath-complex:0.2.0-dev-4`. > > Bintray release version: [ ![Download](https://api.bintray.com/packages/mipt-npm/kscience/kmath-complex/images/download.svg) ](https://bintray.com/mipt-npm/kscience/kmath-complex/_latestVersion) > > Bintray development version: [ ![Download](https://api.bintray.com/packages/mipt-npm/dev/kmath-complex/images/download.svg) ](https://bintray.com/mipt-npm/dev/kmath-complex/_latestVersion) > > **Gradle:** > > ```gradle > repositories { > maven { url "https://dl.bintray.com/kotlin/kotlin-eap" } > maven { url 'https://dl.bintray.com/mipt-npm/kscience' } > maven { url 'https://dl.bintray.com/mipt-npm/dev' } > maven { url 'https://dl.bintray.com/hotkeytlt/maven' } > > } > > dependencies { > implementation 'kscience.kmath:kmath-complex:0.2.0-dev-4' > } > ``` > **Gradle Kotlin DSL:** > > ```kotlin > repositories { > maven("https://dl.bintray.com/kotlin/kotlin-eap") > maven("https://dl.bintray.com/mipt-npm/kscience") > maven("https://dl.bintray.com/mipt-npm/dev") > maven("https://dl.bintray.com/hotkeytlt/maven") > } > > dependencies { > implementation("kscience.kmath:kmath-complex:0.2.0-dev-4") > } > ```