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Assisted dRawing toOl

ARO helps physically disabled students to create mathematical drawings

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ARO has been developed to assist physically disabled or injured students who cannot create mathematical drawings on paper. It is intended to make maths up to Key Stage 4 more accessible. AQA has agreed to its use in a GCSE maths exam. Anyone who can use a computer with a mouse to access the internet should be able to use ARO.

The processes required mimic those of on paper drawing as far as possible. Possible applications include:
Graphs of straight lines and smooth curves
Compass and ruler constructions
Scatter graphs
Stem and leaf displays
Box plots
Pie charts
Simple diagrams.

The structure of each drawing is built from individual components which can be placed on the drawing grid without great accuracy. Each can then be positioned exactly using onscreen buttons. The ruler and the protractor can be aligned with any straight line. Drawings can be created on imported background bitmaps.

The author was a mathematics lecturer at Plymouth University.

Assisted dRawing toOl Web Site


  • Single handed input
  • Snap to grid facility
  • Movable on screen protractor and ruler
  • Drawings can be added to imported backgrounds
  • Pie chart constructed from angles drawn
  • Allowed in AQA GCSE exam
  • Isometric grid drawings
  • Full A4 graph paper size


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Additional Project Details

Intended Audience


User Interface

X Window System (X11), Win32 (MS Windows), TabletPC

Programming Language

Visual Basic .NET



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