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<rss xmlns:ps="http://trailfire.com" version="2.0"><channel><title>"Mathematics - Online Resources" by rowanrook</title><link>http://trailfire.com/rowanrook/trails/34773</link><category>rowanrook/trails</category><ttl>60</ttl><item><title>MathWorld: The Web&amp;#039;s Most Extensive Mathematics Resource</title><link>http://trailfire.com/rowanrook/marks/87868</link><description><![CDATA[A free resource with downloadable tutorials.<BR><A HREF="http://mathworld.wolfram.com/topics/Algebra.html">Algebra</A><BR><A HREF="http://mathworld.wolfram.com/topics/AppliedMathematics.html">Applied Mathematics</A><BR><A HREF="http://mathworld.wolfram.com/topics/CalculusandAnalysis.html">Calculus and Analysis</A><BR><A HREF="http://mathworld.wolfram.com/topics/DiscreteMathematics.html">Discrete Mathematics</A><BR><A HREF="http://mathworld.wolfram.com/topics/FoundationsofMathematics.html">Foundations of Mathematics</A><BR><A HREF="http://mathworld.wolfram.com/topics/Geometry.html">Geometry</A><BR><A HREF="http://mathworld.wolfram.com/topics/HistoryandTerminology.html">History and Terminology</A><BR><A HREF="http://mathworld.wolfram.com/topics/NumberTheory.html">Number Theory</A><BR><A HREF="http://mathworld.wolfram.com/topics/ProbabilityandStatistics.html">Probability and Statistics</A><BR><A HREF="http://mathworld.wolfram.com/topics/RecreationalMathematics.html">Recreational Mathematics</A><BR><A HREF="http://mathworld.wolfram.com/topics/Topology.html">Topology</A><BR><A HREF="http://mathworld.wolfram.com/topics/InteractiveEntries.html">Interactive Entries</A><BR><A HREF="http://mathworld.wolfram.com/classroom/"><I>MathWorld</I> Classroom</A><BR>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 11:54:09 -0700</pubDate><guid isPermalink="false">trailfire:markId:87868</guid></item><item><title>Mathematics - Wikipedia, the free encyclopedia</title><link>http://trailfire.com/rowanrook/marks/87872</link><description><![CDATA[The Wikipedia is a rich repository of information, including almost any branch of mathematics. Its use of cross-linking makes it an almost inexhaustible study.<BR>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 12:02:02 -0700</pubDate><guid isPermalink="false">trailfire:markId:87872</guid></item><item><title>Portal:Mathematics - Wikipedia, the free encyclopedia</title><link>http://trailfire.com/rowanrook/marks/87873</link><description><![CDATA[This page is a portal to a truly diverse array of articles covering many branches of mathematics.<BR>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 12:04:58 -0700</pubDate><guid isPermalink="false">trailfire:markId:87873</guid></item><item><title>Puzzle 121. THE LEGEND OF YANG HUI</title><link>http://trailfire.com/rowanrook/marks/87883</link><description><![CDATA[An interesting example of magic squares.<BR>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 12:27:09 -0700</pubDate><guid isPermalink="false">trailfire:markId:87883</guid></item><item><title>History of Mathematics: China</title><link>http://trailfire.com/rowanrook/marks/87884</link><description><![CDATA[An interesting resource of Chinese mathematical history.<BR>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 12:29:28 -0700</pubDate><guid isPermalink="false">trailfire:markId:87884</guid></item><item><title>Yang_Hui biography</title><link>http://trailfire.com/rowanrook/marks/87885</link><description></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Fri, 20 Apr 2007 12:35:34 -0700</pubDate><guid isPermalink="false">trailfire:markId:87885</guid></item><item><title>EasyCalc (Palm) - Download</title><link>http://trailfire.com/rowanrook/marks/119861</link><description><![CDATA[<DIV CLASS="clearfix"><DIV ID="screenshot"><A HREF="http://enscreenshots.softonic.com/s2en/23000/23385/0_23385.gif" CLASS="thickbox"><IMG SRC="http://enscreenshots.softonic.com/s2en/23000/23385/1_23385.jpg" ALT="EasyCalc" TITLE="EasyCalc" BORDER=""> <SPAN CLASS="zoom_link"><IMG SRC="http://en.softonic.com/img/extend.gif" ALT="Vergrößern" HEIGHT="12" WIDTH="12"> Zoom</SPAN></A></DIV><DIV ID="characteristics"><DL><DT CLASS="only_print">Softonic Rating:</DT><DD CLASS="only_print">8</DD><DT CLASS="only_print">User Rating:</DT><DD CLASS="only_print">9</DD><DT>License:</DT><DD><SPAN CLASS="license_1">Free</SPAN> <SPAN CLASS="add_info">(Freeware)</SPAN></DD><DT>OS:</DT><DD>Palm OS 3.5/4.0/4.5/5.0</DD><DT>File size:</DT><DD>2.2 MB</DD><DT>Web:</DT><DD><A HREF="http://www.penguin.cz/%7Eondrap" TARGET="_blank">www.penguin.cz/~ondrap</A></DD><DT>Updated:</DT><DD>January 29th, 2007</DD><DT>Downloads:</DT><DD>897</DD></DL></DIV><DIV ID="download_options"><DIV ID="download_free"><A HREF="http://easycalc.en.softonic.com/palm/download" TITLE="EasyCalc Download">Download</A></DIV></DIV></DIV><H2>Program description</H2><DIV ID="description_header">“A simple and powerful scientific calculator”</DIV><DIV ID="KonaBody">EasyCalc is a graphing, scientific calculator for Palms and PalmPilots. Of course it has all the capabilities and ease-of-use of the built-in &quot;4-Banger&quot; that comes with the PalmPilot, but also includes trigonometric functions, financial functions, complex numbers and graphing. In addition, you can define your own functions and variables with names up to 10 characters long and nesting up to ten levels deep. Values may range between 1E-100 and 1E250.<BR><BR>Other features:<BR><BR><UL><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Multiple screens easily categorize functions</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">&quot;ANS&quot; button</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Scrollable history</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Scrolling list for functions</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Zoom-in and Zoom-out for graphs</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Plot multiple functions at a time</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">User definable axis</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Radian, Degree or Grad mode</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Hex, Decimal, Binary or Octal computing modes</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Normal, Scientific or Engineering output modes</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">User selectable precision to 15 digits</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Automatic match for brackets</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Full clipboard support</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Complex numbers</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Normal, polar and parametric graphs with support for tracing the graphs and table mode</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Support for color palms</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">Support for lists and some statistical operations</LI><LI STYLE="margin: 5px 0pt 0pt 15px; list-style-position: outside;">And many more coming in future versions..</LI></UL></DIV>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Mon, 02 Jul 2007 12:14:47 -0700</pubDate><guid isPermalink="false">trailfire:markId:119861</guid></item><item><title>Download SC-123PU 1.9 for PalmOS - Softpedia</title><link>http://trailfire.com/rowanrook/marks/119864</link><description><![CDATA[<A HREF="http://handheld.softpedia.com/progScreenshots/SC-123PU-Screenshot-5322.html" TITLE="Click to view SC-123PU screenshots" TARGET="_blank"><IMG SRC="http://handheld.softpedia.com/images//software/thumbs/SC-123PU.jpg" STYLE="border: 1px solid rgb(154, 172, 209);" BORDER="" HEIGHT="110" WIDTH="160"></A><TABLE BORDER="" CELLPADDING="" CELLSPACING="" WIDTH="100%"><TBODY><TR><TD CLASS="celltitles" ALIGN="left" HEIGHT="20" VALIGN="top">SC-123PU description</TD><TD CLASS="celltext" ALIGN="right"><IMG SRC="http://www.softpedia.com/images/download_small.gif" ALIGN="top" HSPACE="2"><A HREF="http://handheld.softpedia.com/progDownload/SC-123PU-Download-5322.html">Download</A></TD></TR><TR><TD CLASS="orizdotsbkg" COLSPAN="2"><IMG SRC="http://handheld.softpedia.com/base_img/oriz_dots.gif" HEIGHT="1" VSPACE="5" WIDTH="2"></TD></TR><TR><TD CLASS="celltext_big" COLSPAN="2" VALIGN="top"><SPAN ID="intelliTxt"><DIV ALIGN="justify"><SPAN ID="intelliTxt">With the program SC-123PU you get a powerful and freely available scientific calculator for the Palm platform.<BR><BR>Apart from scientific functions it also offers a full set of logical operations and conversions between different numeric systems (HEX, DEC, OCT, BIN).<BR><BR>Additionally the calculator offers a units mode for easy conversions between different units including currencies, as well as calculations with mixed units.<BR><BR>The program is designed in a way, that it simulates the visual and operational aspects of a true calculator, such that the user will be immediately familiar with its interface.<BR><BR>The calculator program automatically adapts to single and multi color devices. High resolution displays of SONY Clié devices and devices with Palm Operating System 5 and higher are automatically detected and supported.<BR><BR>The model SC-123PU brings the following new features:<BR><BR>A complete new calculation engine which uses decimal arithmetic in contrast to binary floating point artithmetic of the MathLib. This gives more accuracy up to 20 digits.<BR>Support of 64 bit wide numbers in LOGIC mode.<BR>Special Treo 600/650 keyboard support.<BR>Should now work better with programs modifying the palm font mapping (for example to support asian and east european fonts).<BR><BR>Available in three different languages: English, German and Esperanto.<BR><BR><SPAN STYLE="color: blue;"><B>What&#39;s new in this release:</B></SPAN><BR><BR>· Calculation errors with signed numbers in LOGIC mode fixed.<BR>· Display problem when switching from two lines BIN mode to another mode fixed.<BR><BR><SPAN STYLE="color: green;"><B>Requirements:</B></SPAN><BR><BR>· Palm OS v2.0<BR>· MathLib</SPAN></DIV></TD></TR></TBODY></TABLE>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Mon, 02 Jul 2007 12:21:22 -0700</pubDate><guid isPermalink="false">trailfire:markId:119864</guid></item><item><title>Download VisualCalc 1.4.0 for PalmOS - Softpedia</title><link>http://trailfire.com/rowanrook/marks/119865</link><description><![CDATA[<A HREF="http://handheld.softpedia.com/progScreenshots/VisualCalc-Screenshot-20445.html" TITLE="Click to view VisualCalc screenshots" TARGET="_blank"><IMG SRC="http://handheld.softpedia.com/images//software/thumbs/VisualCalc.gif" STYLE="border: 1px solid rgb(154, 172, 209);" BORDER="" HEIGHT="110" WIDTH="160"></A><TABLE BORDER="" CELLPADDING="" CELLSPACING="" WIDTH="100%"><TBODY><TR><TD CLASS="celltitles" ALIGN="left" HEIGHT="20" VALIGN="top">VisualCalc description</TD><TD CLASS="celltext" ALIGN="right"><IMG SRC="http://www.softpedia.com/images/download_small.gif" ALIGN="top" HSPACE="2"><A HREF="http://handheld.softpedia.com/progDownload/VisualCalc-Download-20445.html">Download</A></TD></TR><TR><TD CLASS="orizdotsbkg" COLSPAN="2"><IMG SRC="http://handheld.softpedia.com/base_img/oriz_dots.gif" HEIGHT="1" VSPACE="5" WIDTH="2"></TD></TR><TR><TD CLASS="celltext_big" COLSPAN="2" VALIGN="top"><SPAN ID="intelliTxt"><DIV ALIGN="justify"><SPAN ID="intelliTxt">VisualCalc is an advanced programmable scientific calculator with complex, array and matrix operations and graphing.<BR><BR>Summary of features:<BR><BR>Real and complex numbers<BR>Arrays and matrix manipulation<BR>Support for conditional computations and looping<BR>Optionally display results in rational fraction format<BR>Trigonometric, logarithmic, complex, statistical, matrix functions<BR>Solution of linear algebraic equations<BR>Unlimited number of user variables<BR>Multiline equations with size up to 16 Kbytes<BR>Saving equations for further work<BR>Function graphs with support for tracing the graphs<BR>Separate display for variables and results<BR>Automatic calculation mode<BR>Ability to interrupt lengthy calculations<BR>Support for comments in the equation text<BR>Customizable fonts for editing and results<BR><BR><SPAN STYLE="color: blue;"><B>What&#39;s new in this release:</B></SPAN><BR><BR>· new graphs: polar and parametric<BR>· support for Hi-Res+ (320x480)<BR>· functions for random numbers generation<BR><BR><SPAN STYLE="color: green;"><B>Requirements:</B></SPAN><BR><BR>· Palm OS 3.5<BR>· Required Software - MathLib</SPAN></DIV></TD></TR></TBODY></TABLE>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Mon, 02 Jul 2007 12:23:44 -0700</pubDate><guid isPermalink="false">trailfire:markId:119865</guid></item><item><title>PDAcalc Classic ADACS LLC - Scientific calculators for palm, pocketpc and windows</title><link>http://trailfire.com/rowanrook/marks/119868</link><description><![CDATA[<TABLE STYLE="width: 525px; height: 921px;" BORDER="" CELLPADDING="" CELLSPACING="15"><TBODY><TR><TD COLSPAN="2"><HR><TABLE BORDER="" CELLSPACING="15" WIDTH="61%"><TBODY><TR><TD WIDTH="50%"><DIV ALIGN="center"><A HREF="http://www.adacs.com/menu/PDAcalc_download.php" TARGET="_blank"><IMG SRC="http://www.adacs.com/menu/images/Download.gif" HEIGHT="40" WIDTH="120"></A></DIV></TD><TD WIDTH="50%"><DIV ALIGN="center"><A HREF="http://www.adacs.com/menu/Order.php" TARGET="_blank"><IMG SRC="http://www.adacs.com/menu/images/BuyNow.gif" HEIGHT="40" WIDTH="120"></A></DIV></TD></TR><TR><TD COLSPAN="2"><DIV ALIGN="center"><A HREF="http://www.adacs.com/menu/PDAcalc_download_dir/PDAcalc_usermanual.zip">PDAcalc user manual</A></DIV></TD></TR></TBODY></TABLE></TD></TR><TR><TD WIDTH="79%"><P CLASS="MsoNormal" STYLE="text-align: justify;"><FONT COLOR="#000080">PDAcalc classic includes several example programs, scripts, and even allows you to execute scripts directly from our web site.&nbsp;</FONT></P><P CLASS="MsoNormal" STYLE="text-align: justify;"><FONT COLOR="#000080">No programming is needed for your basic calculations including plotting functions, solving equations for unknown variables etc. No programming experience is needed to write your own scripts. Just follow some simple examples in the easy to read users manual and you will be writing your own scripts in no time if needed.&nbsp;</FONT></P></TD><TD WIDTH="21%"><IMG SRC="http://www.adacs.com/menu/art/PDAcalc_classic1.gif" BORDER="1" HEIGHT="160" WIDTH="160"></TD></TR><TR><TD WIDTH="79%"><B><U><SPAN CLASS="Highlight">Features:</SPAN></U></B><UL><LI><FONT COLOR="#000080">3D graphics</FONT></LI><LI><FONT COLOR="#000080">Linear regression</FONT></LI><LI><FONT COLOR="#000080">Financial functions</FONT></LI><LI><FONT COLOR="#000080">Statistical functions</FONT></LI><LI><FONT COLOR="#000080">Root finding functions</FONT></LI><LI><FONT COLOR="#000080">FFT (fourier transforms)</FONT></LI><LI><FONT COLOR="#000080">Color coded debug screen</FONT></LI><LI><FONT COLOR="#000080">Auto-scaling of the graphs</FONT></LI><LI><FONT COLOR="#000080">Equation solver worksheet</FONT></LI><LI><FONT COLOR="#000080">Solve equations for variables</FONT></LI><LI><FONT COLOR="#000080">Fully reconfigure the keyboard</FONT></LI><LI><FONT COLOR="#000080">Complex numbers and functions</FONT></LI><LI><FONT COLOR="#000080">3D functions, draw lines in 3D space, rotate objects in 3D space etc.</FONT></LI><LI><FONT COLOR="#000080">Calculus functions, integral, derivatives, etc.</FONT></LI><LI><FONT COLOR="#000080">Plot functions without any programming</FONT></LI><LI><FONT COLOR="#000080">Browse our web site for free user scripts</FONT></LI><LI><FONT COLOR="#000080">Load and run user scripts directly from our web site</FONT></LI></UL></TD><TD WIDTH="21%"><P ALIGN="center"><IMG SRC="http://www.adacs.com/menu/art/PDAcalc_classic2.gif" BORDER="1" HEIGHT="160" WIDTH="160"></P></TD></TR></TBODY></TABLE><P CLASS="Highlight"><U>rences between CplxCalPro and PDAcalc classic</U></P><TABLE BORDER="" CELLSPACING="15" WIDTH="100%"><TBODY><TR><TD VALIGN="top" WIDTH="31%"><IMG SRC="http://www.adacs.com/menu/art/debugWin.gif" HEIGHT="275" WIDTH="233"></TD><TD CLASS="normal_justify" VALIGN="top" WIDTH="34%"><P>CplxCalPro was designed for the palm only. PDAcalc classic runs on windows, palm and the Pocket PC.</P><P>Debugging your scripts in PDAcalc classis is easier since the first error will be shown in a debug screen. The line number will be replaced by the letters <FONT COLOR="#FF0909">err</FONT>.<BR><BR>PDAcalc classic contains a better help screen with information about the different build-in functions. The functions are categorized.</P><P>Two-way synchronization “conduit” that merges changes made to a scripts between your Palm, Pocket PC and desktop.</P></TD><TD WIDTH="35%"><IMG SRC="http://www.adacs.com/menu/art/functionsHelpWin.gif" HEIGHT="320" WIDTH="240"></TD></TR></TBODY></TABLE>]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Mon, 02 Jul 2007 12:47:51 -0700</pubDate><guid isPermalink="false">trailfire:markId:119868</guid></item><item><title>fractals - The Wolfram Demonstrations Project</title><link>http://trailfire.com/rowanrook/marks/169215</link><description><![CDATA[This is a cool resource for animated demonstrations of mathematical principles. This page is about fractals.]]></description><category>Mathematics - Online Resources</category><author>rowanrook</author><pubDate>Thu, 01 Nov 2007 19:26:27 -0700</pubDate><guid isPermalink="false">trailfire:markId:169215</guid></item></channel></rss>
