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Problem Help

Which buttons are used in Problems?
| "Generate Problem" | generating of a new problem
| "Check Answer" | check if the answer is right
| "Show Right Answer" | get right answer
| "Show Solution" | loading of the solution page
| "Show Hint" | loading of the hint page
| "Show Instructions" | loading of the user instructions page
| "Show Help" | loading of the page with answers to questions about the use of MathAid system

How could I get a new problem?
Click on "Generate Problem" button to get a new problem.

### 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.

### Entering User Answer

Is it possible to control the correctness of the answer entry into the Edit Box?
Yes, entered number appears in the normal form in "Your Answer" simultaneously with the answer entry.

Is it possible to enter the answer into the Graph Window?
Yes. For example, if the problem suggests moving an object to a different position in the Graph Window using the Drag option, then the last object position is considered to be the answer. Exercise yourself in inputting answer in Graph Window!
Using drag-option, place the point M in the center of the segment AB . Check your answer with "Check Answer" button.

How is a fraction entered as an answer?
There are 3 Edit Boxes for user to enter fraction: one is for entering the whole part of the number with the negative sign, if necessary (positive sign must be omitted!), second is for entering the numerator and the third is for entering the denominator. Exercise yourself in entering fraction!
Simplify fraction
x = |  |

Can I enter a fraction in any equivalent form (e.g. or )?
No, the answer is considered to be right only if the fraction is entered in the lowest terms with a whole part, if possible.

### Checking User Answer

How can I check if the registered answer is right?
After entering the answer, click on "Check Answer" button, located in the left frame. If the entered answer is right, a "Round Yellow Face" appears on the "Check Answer" button, if wrong - "Round Red Face" appears. NOTE! If more then one answer required by the problem then only simultaneously ALL right entries give the right answer.
Calculate .
Click "Check Answer" button and watch how it shows if the user's answer is right or not. x =
User answer: x =

Is it possible to check more than one answer?
Yes, the number of attempts to check for the right answer is unlimited.

### Viewing right Answer, Solution, Hints

How can I see the right answer?
To see the right answer click on "Show Right Answer" button.

How can I see the solution for a problem?
To see the solution click on the "Show Solution" button in the left frame. In the case of very simple problem solution is not given and "Show Solution" button is not displayed.

How can I see a hint for problem solution?
The possibility to see a hint for problem solution is not designed for all problems. If it is possible, then you can see "Hint" button in the left frame. To see a hint click on this button.

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