miscellaneous stuff

POV-Ray experiments

dumped pendulum

visualization of differential equation set:

you may wish to take a look at HQ [18.5MB] or LQ [4.8MB] animation, source code and presentation

truchet tiling

some simple math visualization

teapots

first steps

double CD case

xterm colors

name	fg	bg
amber	#ff7f00	#1f0000
green	#00df1f	#001f00
blue	#ffffff	#003f7f
yellow9	#000000	#ffffea
blue9	#000000	#eaffff
vms	#fffbf0	#008080
hpux	#ffffff	#686f81

Emacs and vi editing commands compared

Emacs command	Function	vi command
Control-B	Move back one character	h
Control-F	Move forward one character	l
Control-P	Move to previous line	j
Control-N	Move to next line	k
Control-A	Move to start of line	^ or 0
Control-E	Move to end of line	$
Control-D	Delete character	x
Meta-B	Move back one word	b
Meta-F	Move forward one word	w
Control-V	Move to next page	Control-F
Meta-V	Move to previous page	Control-B
Meta-<	Move to start of file	1G
Meta->	Move to end of file	G
Meta-D	Delete word	dw
Control-K	Kill (delete) to end of line	d$
Control-Y	Yank (paste) killed text	Y or yy
Control-X Control-F	Read file	:r
Control-X Control-S	Save file	:w
Control-X Control-C	Exit	:q or :q! or :wq or ZZ

Utah Teapot & Tektronix 4014

tekpot.c [html]
teapot.tek – just `cat' it in xterm
see also utah teapot, xterm & tektronix 4014

xlinux

It was 1996 as I met linux first time. Now 13 years later I found it again on an old CD and could not resist to temptation to run it again. Thus if you like play with it too, you can get it either from the net or get it as ready-to-run qemu image here [27M]

after startx

ASCII Analog Clock

Impoved and expanded version of aclock with exactly time, window resize, colors, text and digital clock.

You may wish to check it out from the CVS Repository.