diff --git a/doc/index.docbook b/doc/index.docbook
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -43,8 +43,8 @@
 
 <legalnotice>&FDLNotice;</legalnotice>
 
-<date>2018-11-09</date>
-<releaseinfo>1.2.2 (Applications 18.12)</releaseinfo>
+<date>2018-11-16</date>
+<releaseinfo>1.3.0 (Applications 19.04)</releaseinfo>
 
 <!-- Abstract about this handbook -->
 
@@ -580,6 +580,12 @@
 				</listitem>
 			</varlistentry>
 
+			<varlistentry>
+				<term><guilabel>Show "+" for positive numbers</guilabel></term>
+				<listitem>
+					<para>If checked, every positive number on the plot is prepended with <quote>+</quote>.</para>
+				</listitem>
+			</varlistentry>
 		</variablelist>
 
 	</para>
diff --git a/doc/settings-diagram.png b/doc/settings-diagram.png
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/kmplot/kmplot.kcfg b/kmplot/kmplot.kcfg
--- a/kmplot/kmplot.kcfg
+++ b/kmplot/kmplot.kcfg
@@ -28,6 +28,11 @@
 			<whatsthis>Check this box if axes should have arrows.</whatsthis>
 			<default>true</default>
 		</entry>
+		<entry name="ShowPlus" type="Bool">
+			<label>Checked if plus is prepended to every positive number on the plot</label>
+			<whatsthis>Check this box if plus should be prepended to every positive number on the plot.</whatsthis>
+			<default>true</default>
+		</entry>
 		<entry name="GridLineWidth" type="Double">
 			<label>Grid Line Width</label>
 			<whatsthis>Enter the width of the grid lines.</whatsthis>
diff --git a/kmplot/kmplotio.cpp b/kmplot/kmplotio.cpp
--- a/kmplot/kmplotio.cpp
+++ b/kmplot/kmplotio.cpp
@@ -84,6 +84,7 @@
 	addTag( doc, tag, "show-axes", Settings::showAxes() ? "1" : "-1" );
 	addTag( doc, tag, "show-arrows", Settings::showArrows() ? "1" : "-1" );
 	addTag( doc, tag, "show-label", Settings::showLabel() ? "1" : "-1" );
+	addTag( doc, tag, "show-plus", Settings::showPlus() ? "1" : "-1" );
 
 	addTag( doc, tag, "xmin", Settings::xMin() );
 	addTag( doc, tag, "xmax", Settings::xMax() );
@@ -422,12 +423,14 @@
 		Settings::setShowAxes( true );
 		Settings::setShowArrows( true );
 		Settings::setShowLabel( true );
+		Settings::setShowPlus( true );
 	}
 	else
 	{
 		Settings::setShowAxes( n.namedItem( "show-axes" ).toElement().text().toInt() == 1 );
 		Settings::setShowArrows( n.namedItem( "show-arrows" ).toElement().text().toInt() == 1 );
 		Settings::setShowLabel( n.namedItem( "show-label" ).toElement().text().toInt() == 1 );
+		Settings::setShowPlus( n.namedItem( "show-plus" ).toElement().text().isEmpty() || n.namedItem( "show-plus" ).toElement().text().toInt() == 1 );
 	}
 	
 	Settings::setXMin( n.namedItem( "xmin" ).toElement().text() );
diff --git a/kmplot/settingspagediagram.ui b/kmplot/settingspagediagram.ui
--- a/kmplot/settingspagediagram.ui
+++ b/kmplot/settingspagediagram.ui
@@ -295,6 +295,22 @@
     </widget>
    </item>
    <item row="9" column="0">
+    <widget class="QCheckBox" name="kcfg_ShowPlus">
+     <property name="toolTip">
+      <string>prepend &quot;+&quot; to every positive number on the diagram</string>
+     </property>
+     <property name="whatsThis">
+      <string>Check this if every positive number on the plot should be prepended with &quot;+&quot;.</string>
+     </property>
+     <property name="text">
+      <string>Show &quot;+&quot; for positive numbers</string>
+     </property>
+     <property name="checked">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="10" column="0">
     <spacer>
      <property name="orientation">
       <enum>Qt::Vertical</enum>
diff --git a/kmplot/view.cpp b/kmplot/view.cpp
--- a/kmplot/view.cpp
+++ b/kmplot/view.cpp
@@ -3314,7 +3314,7 @@
 			else
 				numberText = QString::number( x*(pow(10.0,decimalPlaces)), 'f', 0 ) + QString( -decimalPlaces, '0' );
 
-			if ( x > 0.0 )
+			if ( x > 0.0 && Settings::showPlus() )
 				numberText.prepend('+');
 
 			break;