In all MedCalc graphs, you can add additional text boxes, lines, rectangles, ellipses, connectors and error bars.

## Text box

Example:

To add a text box in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Add text box":

Next click in the graph to set the new text box position.

To edit the text box characteristics, double click on the text box or right-click on the text box and select "Format text box...":

## Line

Example:

To add a line in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Draw line".

Next click in the graph and drag the mouse to create the line.

To edit the text box characteristics, double click on the line object or right-click on the line object and select "Format line object...".

## Rectangle

Example:

To add a rectangular frame in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Draw rectangle".

Next click in the graph and drag the mouse to create the rectangle.

To edit the line characteristics, double click on the rectangle or right-click on the rectangle and select "Format rectangle...".

## Ellipse and Circle

Example:

To add an ellipse in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Draw ellipse".

Next click in the graph and drag the mouse to create the ellipse. To draw a circle: press the Shift key while dragging the mouse.

To edit the ellipse characteristics, double click on the ellipse or right-click on the ellipse and select "Format ellipse...".

## Connector

A connector is commonly used to indicate statistical significance of differences between groups.

Example:

To add a connector in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Draw connector".

Next click in the graph and drag the mouse to create the connector.

To edit the (optional) text attached to the connector, to rotate the connector or to edit its characteristics, double click on the connector object or right-click on the connector object and select "Format connector...".

## Error bar

Example:

To draw an error bar in the graph: right-click in the graph and in the pop-up menu select "Add graph object" and "Draw error bar".

Next click in the graph and drag the mouse to create the error bar.

To rotate the error bar or to edit line color and style, double click on the error bar or right-click on the error bar and select "Format error bar...".

## Selecting graphical objects

To select a graphical object:

• place the mouse pointer over the object and click the left mouse button
• small circles at the corners of the object (grab handles) indicate that the object is selected
• to add other objects to the selection, press the Ctrl key while clicking on the other objects.

## Moving, resizing and deleting graphical objects

Graphical objects can be moved from their original location or can be changed in size or shape.

• select one or more objects
• click on one of the objects and move the mouse to move the selected objects, or use the arrow keys on the keyboard
• click on one of the graph grab handles (the small circles at the corners of the object) and move the mouse to resize the selected objects
• press the Delete key to delete the selected objects.

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