diff --git a/docs/source/calc.rst b/docs/source/calc.rst
index d59684a..e8db469 100644
--- a/docs/source/calc.rst
+++ b/docs/source/calc.rst
@@ -1,21 +1,18 @@
-
 Calc
 ====
 
-Remember,  always import library.
+Remember, always import library.
 
 .. code-block:: python
 
     import easymacro as app
 
 
-Active document
----------------
+.. toctree::
+   :maxdepth: 2
 
-.. code-block:: python
-
-    doc = app.active
-    app.debug(doc.type)
-
-
-.. _support filters: https://help.libreoffice.org/latest/en-US/text/shared/guide/convertfilters.html
+   calc_doc.rst
+   calc_sheets.rst
+   calc_ranges.rst
+   calc_ranges2.rst
+   calc_data.rst
diff --git a/docs/source/calc_doc.rst b/docs/source/calc_doc.rst
new file mode 100644
index 0000000..d710a46
--- /dev/null
+++ b/docs/source/calc_doc.rst
@@ -0,0 +1,40 @@
+
+Active document
+---------------
+
+.. code-block:: python
+
+    doc = app.active
+    app.debug(doc.type)
+
+|
+
+Headers
+-------
+
+Hide or show columns and rows headers.
+
+.. code-block:: python
+
+    doc = app.active
+    app.msgbox(doc.headers)
+    doc.headers = not doc.headers
+    app.msgbox(doc.headers)
+    doc.headers = not doc.headers
+
+|
+
+Tabs
+----
+
+Hide or show tab sheets.
+
+.. code-block:: python
+
+    doc = app.active
+    app.msgbox(doc.tabs)
+    doc.tabs = not doc.tabs
+    app.msgbox(doc.tabs)
+    doc.tabs = not doc.tabs
+
+|
diff --git a/source/easymacro.py b/source/easymacro.py
index 56aaaae..25f941a 100644
--- a/source/easymacro.py
+++ b/source/easymacro.py
@@ -65,6 +65,7 @@ from com.sun.star.awt import Key, KeyEvent, KeyModifier
 from com.sun.star.awt import MessageBoxButtons as MSG_BUTTONS
 from com.sun.star.awt.MessageBoxResults import YES
 from com.sun.star.beans import PropertyValue, NamedValue
+from com.sun.star.beans.PropertyConcept import ALL
 from com.sun.star.datatransfer import XTransferable, DataFlavor
 from com.sun.star.io import IOException, XOutputStream
 from com.sun.star.ui.dialogs import TemplateDescription
@@ -473,6 +474,71 @@ def render(template, data):
 
 # Classes
 
+class LOInspect():
+    TYPE_CLASSES = {
+        'INTERFACE': '-Interface-',
+        'SEQUENCE': '-Sequence-',
+        'STRUCT': '-Struct-',
+    }
+    introspection = create_instance('com.sun.star.beans.Introspection')
+
+    def __init__(self, obj: Any, to_doc: bool=False):
+        if hasattr(obj, 'obj'):
+            obj = obj.obj
+        self._obj = obj
+        self._result = self.introspection.inspect(obj)
+        self._properties = self._get_properties()
+        if to_doc:
+            doc = LODocuments.new()
+            sheet = doc[0]
+            sheet.name = 'Properties'
+            sheet['A1'].data = self.properties
+
+    def _get_value(self, p: Any):
+        type_class = p.Type.typeClass.value
+        if type_class in self.TYPE_CLASSES:
+            return self.TYPE_CLASSES[type_class]
+
+        value = ''
+        try:
+            value = getattr(self._obj, p.Name)
+            if type_class == 'ENUM' and value:
+                value = value.value
+            elif type_class == 'TYPE':
+                value = value.typeName
+            elif value is None:
+                value = '-void-'
+        except:
+            value = '-error-'
+
+        return value
+
+    def _get_attributes(self, a: Any):
+        PA = {1 : 'Maybe Void', 16 : 'Read Only'}
+        attr = ', '.join([PA.get(k, '') for k in PA.keys() if a & k])
+        return attr
+
+    def _get_property(self, p: Any):
+        name = p.Name
+        tipo = p.Type.typeName
+        value = self._get_value(p)
+        attr = self._get_attributes(p.Attributes)
+        return name, tipo, value, attr
+
+    def _get_properties(self):
+        if self._result is None:
+            return []
+
+        properties = self._result.getProperties(ALL)
+        data = [('Name', 'Type', 'Value', 'Attributes')]
+        data += [self._get_property(p) for p in properties]
+        return data
+
+    @property
+    def properties(self):
+        return self._properties
+
+
 # ~ https://github.com/django/django/blob/main/django/utils/functional.py#L61
 class classproperty:
 
@@ -2955,6 +3021,7 @@ class LODocCalc(LODocument):
         self._sheets = obj.Sheets
 
     def __getitem__(self, index):
+        """Index access"""
         return LOCalcSheet(self._sheets[index])
 
     def __len__(self):
@@ -2965,25 +3032,31 @@ class LODocCalc(LODocument):
 
     @property
     def headers(self):
+        """Get true if is visible columns/rows headers"""
         return self._cc.ColumnRowHeaders
     @headers.setter
     def headers(self, value):
+        """Set visible columns/rows headers"""
         self._cc.ColumnRowHeaders = value
 
     @property
     def tabs(self):
+        """Get true if is visible tab sheets"""
         return self._cc.SheetTabs
     @tabs.setter
     def tabs(self, value):
+        """Set visible tab sheets"""
         self._cc.SheetTabs = value
 
     @property
     def names(self):
+        """Get all sheet names"""
         names = self.obj.Sheets.ElementNames
         return names
 
     @property
     def active(self):
+        """Get active sheet"""
         return LOCalcSheet(self._cc.ActiveSheet)
 
 
@@ -3222,6 +3295,7 @@ class LODocuments():
 
 def __getattr__(name):
     classes = {
+        'inspect': LOInspect,
         'dates': Dates,
         'json': Json,
         'macro': Macro,
diff --git a/source/zazplus/easyplus.py b/source/zazplus/easyplus.py
new file mode 100644
index 0000000..e5a0d9b
--- /dev/null
+++ b/source/zazplus/easyplus.py
@@ -0,0 +1 @@
+#!/usr/bin/env python3