geg, a GTK+ Equation Grapher is a very simple utility for parsing and plotting
2D-Functions, eg f(x) = 3 + sin(x), and much more complicated functions.
It was written with GTK+ and provides a neat, configurable user interface. 

website at: http://www.geocities.com/SiliconValley/Park/2030/

- Rom
rom_glsa@ein-hashofet.co.il