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GraphingCalcUsers · User group for Pacific Tech's Graphing Calculator math education visualization software
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Group Information

  • Members: 455
  • Category: Education
  • Founded: Dec 12, 2000
  • Language: English
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Activity within 7 days:

1 New Member - 4 New Messages - New Questions

Description

This group is for users of Pacific Tech's Graphing Calculator math education visualization software to share curriculum ideas, ask questions, share documents, etc... If you are using
this software in your classroom, please let us know what you are doing with it. This is intended to be a resource for teachers.

Most Recent Messages

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Parametric curves, 3. Ellipse as scaled circle. Animation.
To finish off the discussion of how we can investigate parametric curves interactively with GC, we can check that an ellipse is simply a scaled circle by
Posted - Sat Nov 21, 2009 7:21 am
 Chris Young
c1572young
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Parametric curves, 3. Connecting corresponding parts of figures.
Below, we connect the corresponding dots on the circumscribing circle to those on the ellipse:   By the way, GC has a really irritating bug with function
Posted - Sat Nov 21, 2009 6:47 am
 Chris Young
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Parametric curves, 2. Using "t" parameter to draw different parts of
Here's part 2, dealing with applying the drawing parameter t to different parts of an expression to draw different elements of a figure. For the circle, if we
Posted - Sat Nov 21, 2009 6:47 am
 Chris Young
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Parametric curves tutorial. Part 1.
The basic idea behind parametric curves is simply to use the reserved variable "t" along with vectors or complex numbers. Below, t multiplying the [2 1]
Posted - Sat Nov 21, 2009 6:47 am
 Chris Young
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Re: trying to create a gradually drawn 3d curve
Here's a simple example where you can have both the regular curve via F(t) and the progressively drawn curve via F(nt), where n runs from 0 to 1.  
Posted - Tue Nov 10, 2009 6:36 am
 Chris Young
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 18 15 14 9 2 2 7
2008 12 5 15 6 5 1 8 1 4 4 2
2007 47 60 14 6 2 7 1 2 9 28 26 17
2006 54 39 107 12 25 27 66 72 20 63 55 32
2005 10 2 1 3 4 7 45 37 42
2004 5 1 7 15 4 4 5 8 2 4 2
2003 17 1 7 3 19 4 7 2 6 49
2002 43 5 4 8 5 1 33 36 57 35 18
2001 7 15 19 20 1 3 6 1 26 10 17
2000 38
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