.. index:: Discrete Function Tool

.. _Discrete_Function_Tool:

Discrete Function Tool
======================

The *Discrete Function Tool* can be activated either from the Discrete Function Tool item of the :ref:`Edit Menu<edit_menu>` or from the discrete function tool button in the :ref:`Edit Mode<edit_mode>` Tool Bar (the button shown in Figure 1).

.. figure:: images/discrete_function_tool.png
	:width: 5%

	Figure 1: The Discrete Function Tool button from the Edit Mode Tool Bar.

When the Discrete Function Tool is activated (when the discrete function tool button is pressed) you can place a :ref:`discrete function node<discrete_function_node>` in the :ref:`Network Pane<network_pane>`: Simply click the mouse somewhere within the Network Pane. When you have placed the discrete function node the :ref:`select tool<select_tool>` is normally activated again. If you want keep the Discrete Function Tool activated (to create a series of nodes) hold down the SHIFT key while placing a node.