**Inheritance:** java.lang.Object ``` public abstract class NodeRendererBase ``` Base class for [ShapeRenderer](../../com.aspose.words/shaperenderer/) and [OfficeMathRenderer](../../com.aspose.word......new Document(getMyDir() + "Office math.docx"); OfficeMath officeMath...(OfficeMath) doc.getChild(NodeType.OFFICE_MATH, 0, true); OfficeMathRenderer...