K-APL Dictionary

This page is incomplete.

This page contains information on the translation of APL code to K and vice versa.

Due to major differences in APL and K's array models, some of these may not be completely accurate. A star symbol(*) will be placed next to these entries. K9 will not be added here until it is finalized.

Terminology

APL	K
Simple Scalar	Atom
Scalar	No Equivalent
Function	Verb
Operator	Adverb

Primitives

APL	Monad				Dyad
	K3	K4	K6	K7	K3	K4	K6	K7
*	_exp	exp	exp (oK only)	exp	{*/y#x} for integer y
⍟	_log	log	log (oK only)	log	_log	xlog	{(log x)%log y}
!	(*/1+)				{{(*/x+y)%*/y}[y-x;1+!x]}
○	(3.141592654*)				See here	sin, cos,..	sin, cos (oK only, more in iKe)	sin, cos,..
~	~				{x@&(#y)=y?/:x}	^
?	(1 _draw)	?:			_draw	?
⍲					(~&)
⍱					(~|)
⍴					#
,					,
⍪	,'
⌽	|:				!	rotate	colspan="2" {(x_y),x#y}