Hi, in the J wiki there is http://www.jsoftware.com/jwiki/Essays/Continued_Fractions
there is the definition of the qcf dyad that start with qcf=:(100&$:) : (4 : 0) I used qcf to solve a problem in mathschallenge but I changed (100&$:) to (1000&$:) What is the means of (100&$:) ? I found $: in the vocabulary as Self-Reference and there are only monadic case example. Luca. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
