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View
Three Views
To plot the scene view from the front, the right or the top, click Front, Right or Top item from View menu, or click , or button from View & Modify toolbar.
Move The Scene
To move the scene, click Move item in View menu or  button in View & Modify toolbar, then press left mouse button and drag the mouse in plot area.
Zoom The Scene
To zoom the scene, click Zoom item in View menu or  button in View & Modify toolbar, then press left mouse button and drag the mouse in the plot area. The scene will zoom in while dragging the mouse up, and the scene will zoom out while dragging the mouse down.
Clicking Zoom to Fit item in View menu or  button in View & Modify toolbar, the scene in plot area will be adjusted to a proper size.
Rotate The Scene
To rotate the scene, click Rotate item in View menu or  button in View & Modify toolbar, then press left mouse button and drag the mouse.
Projection
Function Grapher provides two types of projections - ortho projection and perspective projection. By default, ortho projection is used. Click Setting... item in View menu and open View Setting dialogbox. If Ortho option in Projection Type frame is selected, ortho projection will be used; if Perspective option is selected, perspective projection will be used.
You can also set projection type by clicking  or  button in View & Modify toolbar.They set ortho projection and perspective projection separately.
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