The following array family programming languages, and papers describing languages, have had a major influence on commonly-used APLs.
| Year |
Event
|
| 1962 |
A Programming Language describes Ken Iverson's notation
|
| 1966 |
APL\360 completed and used within IBM
|
| 1968 |
APL\1130 released as an IBM Type-III Library
|
| 1970 |
APL*PLUS is offered by IPSA and STSC as part of a time-sharing service
|
| 1971 |
"A Generalization of APL", Jim Brown's Ph.D. thesis, describes a nested APL which later becomes the basis of APL2
|
| 1973 |
APL.SV introduces shared variables
|
| 1976 (approximate) |
SHARP APL splits from APL*PLUS
|
| 1981 |
NARS is the first nested APL, and implements ideas from Operators and Functions
|
| 1981 |
SHARP APL adds boxes to the flat array model
|
| 1983 |
Rationalized APL, a paper on Iverson's latest thinking on APL, includes the Rank operator added to SHARP APL later that year
|
| 1983 |
Dyalog APL, based on NARS and the to-be-released APL2, is released
|
| 1984 |
APL2 is IBM's take on nested array programming
|
| 1985 |
A is Arthur Whitney's APL, the first to be based on leading axis theory
|
| 1987 |
A Dictionary of APL describes a precursor to J
|
| 1988 |
A+ adds a GUI to A and replaces it
|
| 1990 |
J is Ken Iverson's new array language, with ASCII characters and based on leading axis theory
|
| 1992 |
K ("K0"), Arthur Whitney's list-based language, first becomes available
|
| 1997 |
Dyalog APL adds dfns
|
| 2006 |
NARS2000, a successor to NARS, is released
|
| 2009 |
VisualAPL is the first .NET-based APL, but soon stops development
|
| 2010 |
APL#, a .NET-based language, is released by Dyalog Ltd., to be abandoned in 2012
|
| 2013 |
GNU APL is the first fully scriptable APL
|
See also