For sale :

MathMagical's famous five program software suit for RISC OS featuring

  to description of ArtGraph to description of TurtleChalk to description of SuDoku to description of MathBox to description of QuickGraph

Click above for further information or below for images of the suit's index/help pages.

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The latest version is 0.678, released 20th October 2007 

Windows and Apple users will require RISC OS emulation from Virtual Acorn.
The suite costs £55 which includes a comprehensive users' guide.
Cheques payable to "Martin H Hansen", Shrewsbury School, Shrewsbury SY3 7BA.
You may also pay using paypal, credit or debit cards :

 

To upgrade from any previous version of the software suit costs £10.

 

For Free :

The RISC OS desktop application 'WordChain II' is available for download.
This software is an implimentation of Lewis Carroll's classic Doublet puzzle and
is illustrated and described in an article published on the drobe NEWS website.
You can read the article by clicking on the link below.
 

  

 
The software is available (for free) from the link below.
 

  

* ArtGraph *

ArtGraph visualises mathematical equations as modern art.

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Click on any image for an enlargement. 

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Click on the ArtGraph logo (below) for more information.

  

 

 * TurtleChalk *

The popular turtle graphics tool used to teach geometry.
Now with Draw and Paint file export.

 


Here, my nine year old daughter has used TurtleChalk to draw a flower.

 

 *SuDoku*

The MathMagical version of the popular puzzle.
It features on screen score, timer, and five levels of difficulty.
The "Geek" level has been criticised as being "too hard".
Now with Draw file export.

 

 

 *MathBox*

Mathematical activities for children.
These include worksheets with onscreen marking, tools to investigate palindromic sums, an improved version of a game to teach coordinates and a collection of original puzzles.
The size of the puzzle collection was doubled for the latest release.
(Screen shots of the new puzzles are available from the home page)
Now with prime numbers and a factorial calculator.
2008 ! = 2008 x 2007 x 2006 x 2005 x 2004 x ..... x 5 x 4 x 3 x 2 x 1

 

 *QuickGraph*

QuickGraph is a graphplotter that can plot equations without having to make y the subject of the given formula.
The circle, centre (4,3) and radius 5, for example, is plotted from

( x - 4 )^2 + ( y - 3 )^2 = 5^2

 

Martin H Hansen, Shrewsbury School, Shrewsbury. SY3 7BA
All images, text and file downloads ( c ) 2006, 2007 & 2008, The MathMagical Software Company.