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Before Unicode, APL interpreters were supplied with fonts in which APL characters were mapped to less commonly used positions in the ASCII character sets, usually in the upper 128 code points. These mappings (and their national variations) were sometimes unique to each APL vendor's interpreter, which made the display of APL programs on the Web ...
Code pages 907 and 910 keep the non-APL GCGIDs for the C0 replacements but use the APL GCGIDs where the arrows appear outside of the C0 area, while code page 909 uses the APL GCGIDs multiple times, both for the C0 replacements and for between one and two occurrences of each of these arrows outside of the C0 area. [9] [10] [11] Compare SL080000 ...
Common were apples (as a pun on the similarity in pronunciation of apple and APL) and the code snippet ⍺ * ⎕ which are the symbols produced by the classic APL keyboard layout when holding the APL modifier key and typing "APL". Despite all these community efforts, no universal vendor-agnostic logo for the programming language emerged.
The APL Character Set for Workspace Interchange, registered for use with ISO/IEC 2022 as ISO-IR-68, [1] is a character set developed by the APL Working Group of the Canadian Standards Association. [2]
For example, the function PT tests whether each row of ⍵ is a Pythagorean triplet (by testing whether the sum of squares equals twice the square of the maximum). PT ← { ( + / ⍵ * 2 ) = 2 × ( ⌈ / ⍵ ) * 2 } PT 3 4 5 1 x 4 5 3 3 11 6 5 13 12 17 16 8 11 12 4 17 15 8 PT x 1 0 1 0 0 1
The concept of a one-liner program has been known since the 1960s [1] with the release of the APL programming language. With its terse syntax and powerful mathematical operators, APL allowed useful programs to be represented in a few symbols. In the 1970s, one-liners became associated with the rise of the home computer and BASIC.
For the most part, these sorts of type issues are transparent to programmers. Only certain specialized operations reveal differences in type. For example, the list 1.0 0.0 1.0 0.0 would be treated exactly the same, by most operations, as the list 1 0 1 0 . J also supports sparse numeric arrays where non-zero values are stored with their indices.
Pages in category "APL programming language family" The following 18 pages are in this category, out of 18 total. ... Code of Conduct; Developers; Statistics;