Index: TECH/Math.cls.xml
===================================================================
diff -u -r11 -r530
--- TECH/Math.cls.xml	(.../Math.cls.xml)	(revision 11)
+++ TECH/Math.cls.xml	(.../Math.cls.xml)	(revision 530)
@@ -58,6 +58,22 @@
 <Implementation><![CDATA[	Quit $NORMALIZE(Getal,CijfersNaKomma)
 ]]></Implementation>
 </Method>
+
+<Method name="IsEven">
+<ClassMethod>1</ClassMethod>
+<FormalSpec>Getal:%Integer</FormalSpec>
+<ReturnType>%Boolean</ReturnType>
+<Implementation><![CDATA[	quit (Getal#2)=0
+]]></Implementation>
+</Method>
+
+<Method name="IsOneven">
+<ClassMethod>1</ClassMethod>
+<FormalSpec>Getal:%Integer</FormalSpec>
+<ReturnType>%Boolean</ReturnType>
+<Implementation><![CDATA[	quit (Getal#2)'=0
+]]></Implementation>
+</Method>
 </Class>