# The Core Module (`kmath-core`) Complex and hypercomplex number systems in KMath: - [complex](src/commonMain/kotlin/space/kscience/kmath/complex/Complex.kt) : Complex Numbers - [quaternion](src/commonMain/kotlin/space/kscience/kmath/complex/Quaternion.kt) : Quaternions > #### Artifact: > > This module artifact: `space.kscience:kmath-complex:0.3.0-dev-3`. > > 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://repo.kotlin.link' } > maven { url 'https://dl.bintray.com/hotkeytlt/maven' } > maven { url "https://dl.bintray.com/kotlin/kotlin-eap" } // include for builds based on kotlin-eap > } > > dependencies { > implementation 'space.kscience:kmath-complex:0.3.0-dev-3' > } > ``` > **Gradle Kotlin DSL:** > > ```kotlin > repositories { > maven("https://repo.kotlin.link") > maven("https://dl.bintray.com/kotlin/kotlin-eap") // include for builds based on kotlin-eap > maven("https://dl.bintray.com/hotkeytlt/maven") // required for a > } > > dependencies { > implementation("space.kscience:kmath-complex:0.3.0-dev-3") > } > ```