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Components of the Sym application
The three main components of the Sym application are the content, the tools used to edit and manage the content and the libraries that provide the objects and functionality that are used to create and edit expressions.
Dialogs
The Document Options Dialog
The Document Options dialog is used for settings that are part of each document. The settings include the Copy Exporter and the Notation. The Document Options dialog is opened by selecting Edit > Document options... from the main menu.

Components of the Sym application
The three main components of the Sym application are the content, the tools used to edit and manage the content and the libraries that provide the objects and functionality that are used to create and edit expressions.
- Content
  Content windows include Document Modules, Object Modules and Unit Test Modules. With the exception of the Properties windows which are attached to modules, all of the windows in the Sym application can be dragged and docked in a variety of locations to provide a way to customize the layout of the main application window.
- Tools
  In addition to the content of the application there are several tools available to assist you in creating and managing the content of a document, like the Document Explorer, Object Browser and Unit Test Runner.
- Libraries
  There are a number of libraries that are available online that can be used with Sym documents.
- Dialogs
  - The Rendering Editor
    Renderings control how each object is displayed in a document. Renderings are created and edited using the Rendering Editor and are attached to object definitions in Object Modules. An object definition can contain zero, one or more renderings. If no rendering is assigned to an object definition, a default rendering is used to display the object.
  - The Options Dialog
    The Options dialog is used for settings that are independent of the document that is currently loaded. The settings include the document location, the export location and whether or not type errors are fixed automatically.
  - The Document Options Dialog
    The Document Options dialog is used for settings that are part of each document. The settings include the Copy Exporter and the Notation. The Document Options dialog is opened by selecting Edit > Document options... from the main menu.

The Document Options Dialog

The Document Options dialog is used for settings that are part of each document. The settings include the Copy Exporter and the Notation. The Document Options dialog is opened by selecting Edit > Document options... from the main menu.

The Copy Exporter

When content is copied to the clipboard, it is put on the clipboard in two different formats. The first format is custom to the Sym application and is used when content is copied and pasted within the Sym application. The second format is a text format. The text that is put on the clipboard depends on the exporter selected in this dialog.

For example, if the document includes the LaTeX library, then one of the options in the drop down is LaTeX and if you copy an expression in Sym and paste it in any text editor, the text that is inserted in the target document is generated by the LaTeX exporter.

The Paste Importer

When text is pasted from the clipboard, it will be passed to the Paste Importer which can convert the text to any expression, depending on the importer that is selected. This option only affects text pasted into a document. Clipboard content in any of the formats internal to Sym is unaffected by this option.

The Notations

Each Document Module, Object Module, and Unit Test Module has a notation assigned to it. When you create a new module, the notation assigned is Automatic.

The Document Options dialog allows you to set a notation for each of the four types of modules. Any module assigned the Automatic notation will be rendered in the notation that is set for the corresponding module type in Document Options dialog.

These options are stored as part of the document and may change when you open a different document. Options that don't depend on which document is loaded (for example, the default document location) are set in the Options dialog.