such as
c=
accept real numbers in decimal notation.

On the graph

clicking and dragging the mouse on the graph uses the horizontal graphing coordinate of the mouse
position in the graph (the corresponding field is updated automatically).

Buttons

Graph

-- redraw or refresh the graph using current field values.

Clear

-- set all fields to default values and redraw the graph.

Pop-up menu button

Colors:

curve tangent vertical

provides a menu of options for changing the colors of graphed objects, with the color of the
menu item's label indicating the current
color of the object.

Buttons under the graph

Zoom In

-- redraw graph, zoomed in by a factor of 2.

Zoom Out

-- redraw graph, zoomed out by a factor of 2.
Click on the graph to select the center point for the zooming region.
On the graph, the center point is indicated with the mouse until the point is chosen with a mouse click.

Mouse

-- show the graphing coordinates of the mouse position,
in the upper left corner of the graph.

Bounds

-- displays a pop-up window to set graphing x-axis and y-axis bounds and marks.

"Bounds" pop-up window

\(x_{min}=\)

\(x_{max}=\)

\(\Delta_x=\)

\(y_{min}=\)

\(y_{max}=\)

\(\Delta_y=\)

OK

Std

Apply

Cancel

All fields accept real numbers in decimal notation.

\(x\)-axis is drawn from \(x_{min}\) to \(x_{max}\),
with marks every \(\Delta_x\).

\(y\)-axis is drawn from \(y_{min}\) to \(y_{max}\),
with marks every \(\Delta_y\).

Buttons in the pop-up window

OK

-- redraw the graph using current values of fields, and close the window.

Std

-- redraw the graph using default values of fields (window stays open).

Apply

-- redraw the graph using current values of fields (window stays open).

Cancel

-- close the window without changing field values used to draw the graph.