#
#	memory - stack management
#
stack.c			basic stack functions
udf.c			user defined functions
spread.c		stack utility

#
#	scanning - command line parser
#
express.c		expression parser
mainloop.c		main loop
command.c		basic command functions handling
edit.c			get the next line
input.c			input functions
output.c		basic output functions

#
#	builtin functions
#
builtin.c		builtin list and builtin functions handling (for parser)
binary.c		functions to read/write binary data in files
funcs.c			basic functions (sin, cos, exp, ...)
				matrix functions
				statistical functions
matrix.c		utility and matrix functions
linear.c		linear algebra matrix functions (simplex,tridiag,lu,svd,toeplitz)
interval.c		interval calculus
polynom.c		polynoms
fft.c			fft
output.c		output formatting functions
graphics.c		graphical functions
special.c		stat and special functions
scalp.c			exact scalar product accumulator

#
#	meta - independant device graphical system
#
meta.c			independant graphical system
metaps.c		postscript graphical output
metagtk.c		gtk graphical output

#
#	graphical interface (gtk)
#
colbut.c		color button widget
earray.c		notebook line array
term.c			command line terminal
main.c			main - GUI construction
rc.c			resource file handling
