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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks, Harry. I will pass your
suggestions on.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Maggie<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
vbasic-bounces@edulists.com.au [mailto:vbasic-bounces@edulists.com.au] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Schlanger, Harry P<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, 19 November 2008
12:11 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Year 12 Visual Basic
Programming Teachers' Mailing List<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Visual Basic]
programming and maths</span></font><span lang=EN-US><o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div id=idOWAReplyText41912>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Hi Maggie,</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Here is my suggestion. Should be reasonable to program in MS
Access.</span></font><o:p></o:p></p>
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<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Use a form to enter the initial conditions. In
the form, use VBA to do the programming behind a command button.</span></font><o:p></o:p></li>
</ul>
</div>
<div>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Use the database to store the results</span></font><o:p></o:p></li>
</ul>
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<div>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Using the graphing facility to visually display
(very basic though)</span></font><o:p></o:p></li>
</ul>
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<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Run a query to view the list of iterates</span></font><o:p></o:p></li>
</ul>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>It would take quite a bit of time to develop and test.</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Regards,</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Harry Schlanger<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><st1:PlaceName w:st="on"><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>Tyrrell</span></font></st1:PlaceName><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black'> <st1:PlaceType w:st="on">College</st1:PlaceType>, <st1:place
w:st="on"><st1:PlaceType w:st="on">Sea</st1:PlaceType> <st1:PlaceType w:st="on">Lake</st1:PlaceType></st1:place><o:p></o:p></span></font></p>
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<p class=MsoNormal><span class=style8><font size=2 color="#990000" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#990000'>Ph: </span></font></span><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black'>(03) 5070 2106<br>
</span></font><span class=style8><font size=2 color="#990000" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#990000'>Fax: </span></font></span><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black'>(03) 5070 1069<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
vbasic-bounces@edulists.com.au on behalf of <st1:PersonName w:st="on">Maggie
Iaquinto</st1:PersonName><br>
<b><span style='font-weight:bold'>Sent:</span></b> Wed 11/19/2008 10:40 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">vbasic@edulists.com.au</st1:PersonName>;
<st1:PersonName w:st="on">php@edulists.com.au</st1:PersonName>; <st1:PersonName
w:st="on">sofdev@edulists.com.au</st1:PersonName><br>
<b><span style='font-weight:bold'>Cc:</span></b> <st1:PersonName w:st="on">greyruin@gdurkin.com</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> [Visual Basic]
programming and maths</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>One of our maths teachers is looking for a programming
solution to the following. Any ideas which language is best for this? Anyone
willing to give it a go?</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Maggie</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=3 color=red face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:red;font-weight:bold'>The task is to display
successive iterations of z-> z<sup>2 </sup>+c where z = x+iy and i is
the square root of -1 and c is a complex constant.</span></font></b><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=3 color=red face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:red;font-weight:bold'>In particular I want to be
able to preset the number of iterations for a given initial value of z (called
z(0)) and a fixed (but user selectable) value of c. I’m thinking of a
maximum of 1000.</span></font></b><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=3 color=red face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:red;font-weight:bold'>I want to see a display of
the iterates in a list and a plot on the Argand diagram of each iterate joined
to the previous iterate with a line. I want a unit circle fixed on the display
. I want to be able to show other circles as user defined. I want to be able to
show the Argand diagram with user defined min and max values of Re(z) and
Im(z).</span></font></b><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=3 color=red face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:red;font-weight:bold'>I would like a reset
button to initialise everything. Ideally a zoom in and zoom out feature would
be good too</span></font></b><b><font color=blue face=Arial><span
style='font-family:Arial;color:blue;font-weight:bold'>.</span></font></b><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>_______________________________________________ <br>
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