Operator /

/ is an infixed function and '/' is a prefixed function. The result depends of the nature of its arguments.
Examples with / :

• input [10,2,3]/[4,1], output invalid dim
• input [1,2]/[3,4] or '/'([1,2],[3,4]), output [1/3,1/2],
• input 1/[[1,2],[3,4]] or '/'(1,[[1,2],[3,4]], output [[-2,1],[3/2,(-1)/2]],
• input [[1,2],[3,4]]*1/ [[1,2],[3,4]], output [[1,0],[0,1]],
• input [[1,2],[3,4]]/ [[1,2],[3,4]], output [[1,1],[1,1]] (division term by term),