i am starting a new quest: qow = question of the week :-)
each week i will introduce a new simple? question.
now qow 10
the first working solution will get the points (a graded).
sorry, top 15 experts, you are not allowed to solve this
q, only other can solve this question :-(
well the question is:
what the trick to establish a circular unit-reference?
a little sample is needed