For installing instruction see INSTALL. 0) Wait a moment. I'm Spanish! Is gyapp internacionalited? Yes! Well, then type export LANG="es" in a 'bash' shell and then run the gyapp program. ( Bien, entonces pon export LANG="es" desde el shell bash y luego ejecuta el programa. ) 1) What gyapp is? This program is GTK Yet Another Ploting Program, i.e. a program to plot mathematical functions on your display. 2) Why another ploting program? There is a lot of programs to plot functions in a variety of forms, byt gyapp lets you to plot a function which depends on time, and see how this function is evolutioning in time. 3) How using gyapp? This program pretends being intuitive, but following there are a few instruction. 3.1) The quit button I don't have idea what the function of this button is :-) 3.2) The start/stop button. Press this button to start o stop the animation of the function. 3.3) The options button. Click to obtain a dialog where to change the kind of function, the functions, the speed of animations and another parameters. 3.4) The about button. Clicking you'll get information about the author and the distribution license. 4) Can I copy gyapp? Yes, you can, it's GPL licensed. 5) How can I contact with the author? email: ignacio.martin@tel.uva.es imartin@ele.uva.es http://www.ele.uva.es/~imartin/