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Interactive Example Help

Which buttons are used in Interactive Examples?
| "Show Instructions" | loading of the user instructions page
| "Show Help" | loading of the page with answers to questions about the use of MathAid system

Is it possible to accelerate changing the value of a parameter in Scroll Bar from one to another?
Yes. Clicking on the Scroll Bar between an arrow and the slider moves the slider 10 steps towards the arrow.

What is Combination Edit Box - Scroll Bar used for?
In Combination Edit Box - Scroll Bar, Edit Box displays the current value of a parameter defined by Scroll Bar. In this case, a number entered into Edit Box automatically rounds to the nearest value allowed by Scroll Bar.

What is Combination Edit Box - Scroll Bar - Animation used for?
This Combination has the same options as Combination Edit Box - Scroll Bar, and additionally allows clicking on the Animation. Clicking on Animation automatically moves the parameter value from the smallest to the largest allowed by Scroll Bar with a step defined by Scroll Bar.

### Interactive Features of Graph Window

What are the interactive features of Graph Window?
Active Point feature, Drag option, Select feature.

What is Active Point feature?
If Active Point feature is on, user is able to determine coordinates of any point in Graph Window. It is enough to point cursor, click and hold. There appear horizontal and vertical lines and numerical values of the coordinates at the intersection point. Horizontal and vertical line allow better control of cursor pointing. Explore the Active Point feature! To use it, just place the mouse pointer at a point in the Graph Window, press the mouse button and hold it.
Active Point feature can be used to show the coordinates of the selected point. | Active Point feature can help user to find the coordinates of the selected point.

Could I turn Active Point feature on and off myself?
No.

What is Drag option?
If Drag option is on for an object in Graph Window, then user may move this object over Graph Window. To move an object, point cursor on it, click and drag it over Graph Window. Explore the Drag option! Please, place the mouse pointer at the selected vertex of the triangle, press the mouse button and drag the vertex over the Graph Window.

How could I make sure that Drag option is on for a given point?
If you point the cursor and there appears a square frame around the point, then Drag option is on.

What is Select feature?
Select feature is a feature of the marker. A marker is selected if there is a frame around it. If this feature is available, then clicking on the marker would activate the frame (turn it on). To turn it off, user has to either click on the marker again or click on another radio button if marker is a member of the radio group. Explore how selected marker looks like!
Choose the point in quadrant .
In this example all four markers are members of the one radio group. So, to turn the marker off you have to click on another one.

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