removed ignored files

.idea/compiler.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile name="Maven default annotation processors profile" enabled="true">
-        <sourceOutputDir name="target/generated-sources/annotations" />
-        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
-        <outputRelativeToContentRoot value="true" />
-        <module name="scientific_calculator" />
-      </profile>
-    </annotationProcessing>
-    <bytecodeTargetLevel target="1.8">
-      <module name="scientific_calculator" target="1.5" />
-    </bytecodeTargetLevel>
-  </component>
-</project>

.idea/kotlinc.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinCommonCompilerArguments">
-    <option name="languageVersion" value="1.1" />
-    <option name="apiVersion" value="1.1" />
-  </component>
-</project>

.idea/misc.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectInspectionProfilesVisibleTreeState">
-    <entry key="Project Default">
-      <profile-state>
-        <expanded-state>
-          <State>
-            <id />
-          </State>
-        </expanded-state>
-        <selected-state>
-          <State>
-            <id>Android</id>
-          </State>
-        </selected-state>
-      </profile-state>
-    </entry>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="GlobalLibrariesConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="JdkListConfigurable.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ProjectLibrariesConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ScopeChooserConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>

.idea/modules.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/scientific_calculator.iml" filepath="$PROJECT_DIR$/scientific_calculator.iml" />
-    </modules>
-  </component>
-</project>

.idea/workspace.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="2198802b-d4ec-4041-8e1d-7aeccbb96f0d" name="Default" comment="" />
-    <ignored path="$PROJECT_DIR$/out/" />
-    <ignored path="$PROJECT_DIR$/target/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
-  <component name="FileEditorManager">
-    <leaf>
-      <file leaf-file-name="pom.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/pom.xml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="MainApplication.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/scientificcalculator/MainApplication.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="225">
-              <caret line="15" column="5" lean-forward="true" selection-start-line="15" selection-start-column="5" selection-end-line="15" selection-end-column="5" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="Console.java" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/scientificcalculator/Console.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="360">
-              <caret line="24" column="58" lean-forward="true" selection-start-line="24" selection-start-column="58" selection-end-line="24" selection-end-column="58" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
-  <component name="FileTemplateManagerImpl">
-    <option name="RECENT_TEMPLATES">
-      <list>
-        <option value="Class" />
-      </list>
-    </option>
-  </component>
-  <component name="GradleLocalSettings">
-    <option name="externalProjectsViewState">
-      <projects_view />
-    </option>
-  </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/scientificcalculator/MainApplication.java" />
-        <option value="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/scientificcalculator/Console.java" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds">
-    <option name="x" value="1772" />
-    <option name="y" value="113" />
-    <option name="width" value="1440" />
-    <option name="height" value="873" />
-  </component>
-  <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="PackagesPane" />
-      <pane id="Scratches" />
-      <pane id="Scope" />
-      <pane id="ProjectPane">
-        <subPane>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="main" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientific_calculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="main" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="java" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="scientificcalculator" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-        </subPane>
-      </pane>
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.javacompiler" />
-    <property name="project.structure.last.edited" value="Project" />
-    <property name="project.structure.proportion" value="0.0" />
-    <property name="project.structure.side.proportion" value="0.2" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="RunManager" selected="Application.MainApplication">
-    <configuration default="false" name="MainApplication" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
-        <pattern>
-          <option name="PATTERN" value="com.zipcodewilmington.scientificcalculator.*" />
-          <option name="ENABLED" value="true" />
-        </pattern>
-      </extension>
-      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.scientificcalculator.MainApplication" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="scientific_calculator" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
-      <module name="" />
-      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
-      <option name="PROGRAM_PARAMETERS" />
-      <predefined_log_file id="idea.log" enabled="true" />
-      <method />
-    </configuration>
-    <configuration default="true" type="AndroidRunConfigurationType" factoryName="Android App">
-      <module name="" />
-      <option name="DEPLOY" value="true" />
-      <option name="ARTIFACT_NAME" value="" />
-      <option name="PM_INSTALL_OPTIONS" value="" />
-      <option name="ACTIVITY_EXTRA_FLAGS" value="" />
-      <option name="MODE" value="default_activity" />
-      <option name="TARGET_SELECTION_MODE" value="SHOW_DIALOG" />
-      <option name="PREFERRED_AVD" value="" />
-      <option name="CLEAR_LOGCAT" value="false" />
-      <option name="SHOW_LOGCAT_AUTOMATICALLY" value="false" />
-      <option name="SKIP_NOOP_APK_INSTALLATIONS" value="true" />
-      <option name="FORCE_STOP_RUNNING_APP" value="true" />
-      <option name="DEBUGGER_TYPE" value="Java" />
-      <option name="USE_LAST_SELECTED_DEVICE" value="false" />
-      <option name="PREFERRED_AVD" value="" />
-      <Java />
-      <Profilers>
-        <option name="ENABLE_ADVANCED_PROFILING" value="true" />
-        <option name="GAPID_ENABLED" value="false" />
-        <option name="GAPID_DISABLE_PCS" value="false" />
-        <option name="SUPPORT_LIB_ENABLED" value="true" />
-        <option name="INSTRUMENTATION_ENABLED" value="true" />
-      </Profilers>
-      <option name="DEEP_LINK" value="" />
-      <option name="ACTIVITY_CLASS" value="" />
-      <method />
-    </configuration>
-    <configuration default="true" type="AndroidTestRunConfigurationType" factoryName="Android Tests">
-      <module name="" />
-      <option name="TESTING_TYPE" value="0" />
-      <option name="INSTRUMENTATION_RUNNER_CLASS" value="" />
-      <option name="METHOD_NAME" value="" />
-      <option name="CLASS_NAME" value="" />
-      <option name="PACKAGE_NAME" value="" />
-      <option name="EXTRA_OPTIONS" value="" />
-      <option name="TARGET_SELECTION_MODE" value="SHOW_DIALOG" />
-      <option name="PREFERRED_AVD" value="" />
-      <option name="CLEAR_LOGCAT" value="false" />
-      <option name="SHOW_LOGCAT_AUTOMATICALLY" value="false" />
-      <option name="SKIP_NOOP_APK_INSTALLATIONS" value="true" />
-      <option name="FORCE_STOP_RUNNING_APP" value="true" />
-      <option name="DEBUGGER_TYPE" value="Java" />
-      <option name="USE_LAST_SELECTED_DEVICE" value="false" />
-      <option name="PREFERRED_AVD" value="" />
-      <Java />
-      <Profilers>
-        <option name="ENABLE_ADVANCED_PROFILING" value="true" />
-        <option name="GAPID_ENABLED" value="false" />
-        <option name="GAPID_DISABLE_PCS" value="false" />
-        <option name="SUPPORT_LIB_ENABLED" value="true" />
-        <option name="INSTRUMENTATION_ENABLED" value="true" />
-      </Profilers>
-      <method />
-    </configuration>
-    <configuration default="true" type="Applet" factoryName="Applet">
-      <option name="HTML_USED" value="false" />
-      <option name="WIDTH" value="400" />
-      <option name="HEIGHT" value="300" />
-      <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
-      <module />
-      <method />
-    </configuration>
-    <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
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-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="GradleRunConfiguration" factoryName="Gradle">
-      <ExternalSystemSettings>
-        <option name="executionName" />
-        <option name="externalProjectPath" />
-        <option name="externalSystemIdString" value="GRADLE" />
-        <option name="scriptParameters" />
-        <option name="taskDescriptions">
-          <list />
-        </option>
-        <option name="taskNames">
-          <list />
-        </option>
-        <option name="vmOptions" />
-      </ExternalSystemSettings>
-      <method />
-    </configuration>
-    <configuration default="true" type="JUnit" factoryName="JUnit">
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-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
-      <method />
-    </configuration>
-    <configuration default="true" type="JarApplication" factoryName="JAR Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="Java Scratch" factoryName="Java Scratch">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="SCRATCH_FILE_ID" value="0" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="JetRunConfigurationType" factoryName="Kotlin">
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-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="scientific_calculator" />
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-      <method />
-    </configuration>
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-      <option name="programParameters" />
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-      <option name="workingDirectory" />
-      <option name="isAlternativeJrePathEnabled" value="false" />
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-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
-      <method />
-    </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
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-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
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-      <option name="PACKAGE_NAME" />
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-      <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="OUTPUT_DIRECTORY" />
-      <option name="ANNOTATION_TYPE" />
-      <option name="ENV_VARIABLES" />
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-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <option name="USE_DEFAULT_REPORTERS" value="false" />
-      <option name="PROPERTIES_FILE" />
-      <envs />
-      <properties />
-      <listeners />
-      <method />
-    </configuration>
-    <configuration default="true" type="executeSpecs" factoryName="Gauge Execution">
-      <setting name="environment" value="" />
-      <setting name="specsToExecute" value="" />
-      <setting name="tags" value="" />
-      <setting name="parallelNodes" value="" />
-      <setting name="execInParallel" value="false" />
-      <setting name="programParameters" value="" />
-      <setting name="workingDirectory" value="" />
-      <setting name="moduleName" value="" />
-      <envMap />
-      <setting name="rowsRange" value="" />
-      <method />
-    </configuration>
-    <list size="1">
-      <item index="0" class="java.lang.String" itemvalue="Application.MainApplication" />
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-      <list size="1">
-        <item index="0" class="java.lang.String" itemvalue="Application.MainApplication" />
-      </list>
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