• highlight different aspects of the model,
• suit different levels of expertise,
• cater for different learning needs
and
• cope with different learning styles.

For example, the solar geometry model which calculates the location of the sun in the sky, given time, date and location on the earth's surface. Four JeLSIMs have been produced from this model, each with very different interfaces. Click on the pictures to see the model in action.

Non scientific visualisation suitable for children and novices	Graphical visualisation suitable for more expert users	Single shot calculator suitable for experts in the subject	Task based visualisation suited to novices