[[RF.Spice]]'s Symbol Editor can be invoked from both the Workshop and the Device Manager. You use the Symbol Editor to edit and save symbols. Please note that there are slight differences in the appearance and functionality of the Symbol Editor depending on whether you open it from the Device Manager or from the [[Schematic Editor]]. Using the Symbol Editor in the Device Manager, you can create new symbols from the ground up. You can also modify all the symbols in the parts database. However, from the Workshop you can only edit the symbols of the parts in your currently open project. You can choose to save the modified symbol(s) to the current circuit project only. Or you can save your changes to your parts database and make them permanent.
<table>
<tr>
<td> [[File:b2MAN_Fig91.png|thumb|360px|RF.Spice A/D Symbol Editor accessed from the Device Manager.]] </td>
<td> [[File:b2MAN_Fig91.png|thumb|360px|RF.Spice A/D Symbol Editor accessed from the Schematic Editor.]] </td>
</tr>
</table>
==What is a Symbol?==
[[File:b2MAN_Fig90.png|thumb|300px|Anatomy of a B2.Spice A/D symbol in the Schematic Editor (the "Resistor" symbol in this case).]]
[[File:b2MAN_Fig91.png|thumb|360px|RF.Spice A/D Symbol Editor accessed from the Device Editor.]]
A symbol is a graphical object that [[B2.Spice A/D]] uses to represent a part or device. Every device in the Parts Database has an associated symbols. Some devices may have more than one associated symbol. When you place a part in your schematic, its symbol is drawn in the schematic window. You can move a part in your circuit by selecting and dragging its symbol around. A symbol is typically made up of a drawing, one or more texts and one or more pins. The drawing can be as simple as a box or a circle or very sophisticated graphics. The Symbol Editor provides a number of drawing tools: Line, Rectangle, Ellipse, Polygon and Arc. A symbol may contain a composite drawing involving several distinct shapes. The symbol's text(s) may include the device name and a number of parameter values.