diff --git a/src/main/java/fr/nancy/iut/Sphere.java b/src/main/java/fr/nancy/iut/Sphere.java
index 164a55651fc4c17eae4a5ced5fd8b3afa74b50c9..8107e1bd4b0bc38ee7dacf85fe8054d2e7cf42ed 100644
--- a/src/main/java/fr/nancy/iut/Sphere.java
+++ b/src/main/java/fr/nancy/iut/Sphere.java
@@ -28,7 +28,7 @@ public class Sphere {
   // Methods
   // ***********************************************************************
   public double computeVolume() {
-    return 4 * Math.PI * Math.pow(radius_, 2) / 3;
+    return 4 * Math.PI * Math.pow(radius_, 3)/3;
   }
 
   public double distanceTo(Sphere other) {
diff --git a/target/jacoco.exec b/target/jacoco.exec
new file mode 100644
index 0000000000000000000000000000000000000000..3b14292585ce6f3223d012f9f76a44e6cfd6361f
Binary files /dev/null and b/target/jacoco.exec differ
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..d55ab2815fc39e3985d6a7ba08ffaaa44aec246c
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1 @@
+fr/nancy/iut/Sphere.class
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..245be2f57423d5be44c6e02329ef239a845c3311
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1 @@
+/Users/arthur/Documents/GitHub/sphere/src/main/java/fr/nancy/iut/Sphere.java
diff --git a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..446c92b471d852d61d230c926da2b26083ceab78
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -0,0 +1 @@
+fr/nancy/iut/SphereTest.class
diff --git a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..fd1fb343f2a45c1a83a321e12fe3669c9a0b1698
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -0,0 +1 @@
+/Users/arthur/Documents/GitHub/sphere/src/test/java/fr/nancy/iut/SphereTest.java
diff --git a/target/surefire-reports/TEST-fr.nancy.iut.SphereTest.xml b/target/surefire-reports/TEST-fr.nancy.iut.SphereTest.xml
new file mode 100644
index 0000000000000000000000000000000000000000..91b35c13faadcb3cc6aa6363abe00e3cf44d6221
--- /dev/null
+++ b/target/surefire-reports/TEST-fr.nancy.iut.SphereTest.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<testsuite tests="1" failures="0" name="fr.nancy.iut.SphereTest" time="0.017" errors="0" skipped="0">
+  <properties>
+    <property name="idea.version" value="2022.3.1"/>
+    <property name="java.runtime.name" value="OpenJDK Runtime Environment"/>
+    <property name="java.vm.version" value="19.0.2+7-44"/>
+    <property name="sun.boot.library.path" value="/Users/arthur/Library/Java/JavaVirtualMachines/openjdk-19.0.2/Contents/Home/lib"/>
+    <property name="maven.multiModuleProjectDirectory" value="/Users/arthur/Documents/GitHub/sphere"/>
+    <property name="java.vm.vendor" value="Oracle Corporation"/>
+    <property name="java.vendor.url" value="https://java.oracle.com/"/>
+    <property name="guice.disable.misplaced.annotation.check" value="true"/>
+    <property name="path.separator" value=":"/>
+    <property name="java.vm.name" value="OpenJDK 64-Bit Server VM"/>
+    <property name="user.country" value="FR"/>
+    <property name="sun.java.launcher" value="SUN_STANDARD"/>
+    <property name="java.vm.specification.name" value="Java Virtual Machine Specification"/>
+    <property name="user.dir" value="/Users/arthur/Documents/GitHub/sphere"/>
+    <property name="java.vm.compressedOopsMode" value="Zero based"/>
+    <property name="java.runtime.version" value="19.0.2+7-44"/>
+    <property name="os.arch" value="aarch64"/>
+    <property name="java.io.tmpdir" value="/var/folders/46/gfmnsrxs0ks781df9jfsh1fm0000gn/T/"/>
+    <property name="line.separator" value="
+"/>
+    <property name="java.vm.specification.vendor" value="Oracle Corporation"/>
+    <property name="stderr.encoding" value="UTF-8"/>
+    <property name="os.name" value="Mac OS X"/>
+    <property name="maven.ext.class.path" value="/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven-event-listener.jar"/>
+    <property name="classworlds.conf" value="/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3/bin/m2.conf"/>
+    <property name="sun.jnu.encoding" value="UTF-8"/>
+    <property name="stdout.encoding" value="UTF-8"/>
+    <property name="java.library.path" value="/Users/arthur/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:."/>
+    <property name="jansi.passthrough" value="true"/>
+    <property name="maven.conf" value="/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3/conf"/>
+    <property name="jdk.debug" value="release"/>
+    <property name="java.class.version" value="63.0"/>
+    <property name="java.specification.name" value="Java Platform API Specification"/>
+    <property name="sun.management.compiler" value="HotSpot 64-Bit Tiered Compilers"/>
+    <property name="os.version" value="13.1"/>
+    <property name="http.nonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
+    <property name="user.home" value="/Users/arthur"/>
+    <property name="user.timezone" value="Europe/Paris"/>
+    <property name="file.encoding" value="UTF-8"/>
+    <property name="java.specification.version" value="19"/>
+    <property name="user.name" value="arthur"/>
+    <property name="java.class.path" value="/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3/boot/plexus-classworlds.license:/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3/boot/plexus-classworlds-2.6.0.jar"/>
+    <property name="java.vm.specification.version" value="19"/>
+    <property name="sun.arch.data.model" value="64"/>
+    <property name="sun.java.command" value="org.codehaus.classworlds.Launcher -Didea.version=2022.3.1 test"/>
+    <property name="java.home" value="/Users/arthur/Library/Java/JavaVirtualMachines/openjdk-19.0.2/Contents/Home"/>
+    <property name="apple.awt.application.name" value="Launcher"/>
+    <property name="user.language" value="fr"/>
+    <property name="java.specification.vendor" value="Oracle Corporation"/>
+    <property name="java.vm.info" value="mixed mode, sharing"/>
+    <property name="java.version" value="19.0.2"/>
+    <property name="native.encoding" value="UTF-8"/>
+    <property name="java.vendor" value="Oracle Corporation"/>
+    <property name="sun.stderr.encoding" value="UTF-8"/>
+    <property name="maven.home" value="/Users/arthur/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/223.8214.52/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3"/>
+    <property name="file.separator" value="/"/>
+    <property name="java.version.date" value="2023-01-17"/>
+    <property name="java.vendor.url.bug" value="https://bugreport.java.com/bugreport/"/>
+    <property name="sun.io.unicode.encoding" value="UnicodeBig"/>
+    <property name="sun.cpu.endian" value="little"/>
+    <property name="sun.stdout.encoding" value="UTF-8"/>
+    <property name="socksNonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
+    <property name="ftp.nonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
+  </properties>
+  <testcase classname="fr.nancy.iut.SphereTest" name="fr.nancy.iut.SphereTest.testComputeVolume" time="0.017"/>
+</testsuite>
\ No newline at end of file
diff --git a/target/surefire-reports/fr.nancy.iut.SphereTest.txt b/target/surefire-reports/fr.nancy.iut.SphereTest.txt
new file mode 100644
index 0000000000000000000000000000000000000000..232bc86aa6e8e8203176365bead8bed16f761f6f
--- /dev/null
+++ b/target/surefire-reports/fr.nancy.iut.SphereTest.txt
@@ -0,0 +1,4 @@
+-------------------------------------------------------------------------------
+Test set: fr.nancy.iut.SphereTest
+-------------------------------------------------------------------------------
+Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.017 sec