A digital signal generator. Generates audio data files for use in the testing of CD players, computer sampling cards, computer A/D input and output cards, and Sound Cards.

Stereoscopic viewer enabling complex 3-dimensional solids to be manipulated in real time. Helps the visualisation and understanding of shapes.

Periodic table of the elements, packed with data and able to interactively produce useful graphical output. It also speaks!

Graphical database containing information on 3000+ known stable or radioactive isotopes of all known elements up to element 118, displayed on a Segre chart.

A game of skill for two players. Take turns at placing 4-square coloured tiles so as to form as long a continuous string.