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Autograph FAQ: Users' Questions and Answers
Below are several important questions and answers from previous customers, that we think may be of some relevance to yourselves. Please do not hesitate to contact us using the email address below to ask us a question relating to autograph.

Please send in your questions/comments to:
support at autograph-maths.com

The following FAQ's refer to Autograph Version 2.
Version 3 information will be coming soon.




1. The Autograph Font

Some users have reported that the Autograph true-type font does not register properly.

Autograph needs 3 fonts to operate: - Autograph Bit-map font (used by the programme itself) - Autograph true-type font (used by the program text box, status box and Help file) this is also available for general used in Word, etc - Autograph true-type symbol font (used by Word in its "insert symbol" menu")

To check the Autograph TTF, open up Word and see if Autograph (as well as AutographS) is in the font list. If it is not, proceed as follows: Start => Settings => Control Panel => double-click on "Fonts" When the Fonts fold opens up, you will see the Autograph font pop in. All should be OK thereafter (don't ask why!!).




2. The 30 day trial

Do I have to UNINSTALL the Autorgaph 30-Day Trial when installing v 2.10?

What you should NOT do is uninstall the 30-day trial AFTER you have installed the new 2.10 version. This CAN take the Autograph fonts off (it is not supposed to, of course!). If this does happen, simply install v 2.10 again.

You can unistall the 30-day Trail before installing 2.10, using the standard Uninstall routine in Start => Programs => Control Panel.

You can also uninstall the 30-day trial manually as follows:
1. Start => Programs => right-click over Autorgaph 30-day Trial => Delete

2. My computer => Drive C => Program Files => Autograph 30-day trial => Delete




3. How to draw a tangent

I know how to draw the gradient function of curve, but can I draw a tangent at a particular point and computer tell me gradient?

Again create the situation first: ie draw the curve, add a point on the curve (use the "cursor mode" and wait for the arrow to change as you hover over the curve, then click - this will create a cursor ON the curve). Don't forget to return to the select more ( ) before going on. With the cursor ON the curve selected, right-click options include "tangent" and "normal". In the status line at the bottom of the screen it gives the equation of the tangent (in the form y=mx+c, where 'm' is the gradient). Another approach is to select put two nearby cursors on a curve and use the right-click option "gradient". This gives delta-x and delta-y as well.





4. Binomial-Poisson

One of the our department had difficulty in showing the Poisson approximation because she had to set up the axes each time

Autoscale () on the statistics toolbar does the job automatically - it scales both the horizontal and vertical scales so that the mean ± 6 SD (or the full range of the binomial) is visible on screen. You need to press "Re-set p-r" () also to set the lables up correctly. You can do all this manually in "Edit Axes" ().

Also, "Probability animation" () applies to the current probability distribution. So if you have plotted say B(25, 0.1) then (right-click) "Fit dependent Poisson", you need to select the Binomial in the list to be able to vary its 'n' and 'p'.

Also it can be more conventient to use the ARROW keys with the probability animation (as with the constant controller on the graphing side): lef/right adjusts the step (important when animating probability), and up/down adjusts the value.





5. Managing cursors

I often get left in 'cursor mode' and end up with too many cursors

A 'cursor' is the name in Autograph for the object that represents a coordinate point (free-moving or attached to another object, eg an equation or an intersection). Several cursors can form a 'group' or a bivariate data set.
To enter a cursor you need to be in 'cursor mode' () which (like the zooms) stays in force until you return to 'select mode' (). If you have created too many cursors, press DELETE - this deletes cursors one at a time in reverse order.

To enter just one cursor, you can hold down ALT, click the mouse and let go ALT - try it! [Please correct, with apologies, an error in the early version of the 45 Exercises, page 9 "Entering a single cursor" which refers to TAB instead fo ALT]




6. Transformations

When I have a group such as a Flag can I reflect it in line y = x ?

Autograph is consistent: select the required objects, then use the appropriate right-click option.

In this case, first create the flag ( Add Group) and draw the line y = x (or any other line). Select the flag and (hold down shift) also select the line. Right-click option "Reflection". Any line will do, eg y = mx + c, then you can vary m and c and watch the reflection change. Or put on two cursors (use the Cursor Mode button), select them and create a straight line through them. Select the line and the object - this way you can vary the line by dragging one of the points.


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