Language overview
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This page gives a structured overview of the APL programming language.
Contents
Development
APL development [edit] | |
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Interface | Session ∙ Typing glyphs (on Linux) ∙ Fonts ∙ Text editors |
Publications | Introductions ∙ Learning resources ∙ Simple examples ∙ Advanced examples ∙ Mnemonics ∙ Standards ∙ A Dictionary of APL ∙ Case studies ∙ Documentation suites ∙ Books ∙ Papers ∙ Videos ∙ Periodicals ∙ German terminology ∙ Neural networks |
Sharing code | Backwards compatibility ∙ APLcart ∙ APLTree ∙ APL-Cation ∙ Dfns workspace ∙ Tatin |
Vendors | APL2000 ∙ Dyalog ∙ GNU APL community ∙ IBM ∙ IPSA ∙ STSC |
Features
APL features [edit] | |
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Built-ins | Primitive function ∙ Primitive operator ∙ Quad name |
Array model | Shape ∙ Rank ∙ Depth ∙ Bound ∙ Index (Indexing) ∙ Axis ∙ Ravel ∙ Ravel order ∙ Element ∙ Scalar ∙ Vector ∙ Matrix ∙ Simple scalar ∙ Simple array ∙ Nested array ∙ Cell ∙ Major cell ∙ Subarray ∙ Empty array ∙ Prototype |
Data types | Number (Boolean, Complex number) ∙ Character (String) ∙ Box ∙ Namespace |
Concepts and paradigms | Leading axis theory ∙ Scalar extension ∙ Conformability ∙ Scalar function ∙ Pervasion ∙ Glyph ∙ Identity element ∙ Complex floor ∙ Total array ordering |
Errors | LIMIT ERROR ∙ RANK ERROR ∙ SYNTAX ERROR ∙ DOMAIN ERROR ∙ LENGTH ERROR ∙ INDEX ERROR ∙ VALUE ERROR |
Syntax
Dialects
APL dialects [edit] | |
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Maintained | APL+Win (APL*PLUS) ∙ APL2 ∙ APL64 ∙ APL\iv ∙ April ∙ Co-dfns ∙ Dyalog APL ∙ dzaima/APL ∙ Extended Dyalog APL ∙ GNU APL ∙ KAP ∙ NARS2000 |
Historical | Iverson notation ∙ A Programming Language ∙ A+ (A) ∙ APL# ∙ APL.68000 ∙ APL.SV ∙ APLX ∙ APL\1130 ∙ APL\3000 ∙ APL\360 ∙ APL/700 ∙ NARS ∙ ngn/apl ∙ openAPL ∙ Rowan ∙ SAX ∙ SHARP APL∙ VisualAPL (APLNext) ∙ VS APL ∙ York APL |
Derivatives | AHPL ∙ BQN ∙ ELI ∙ I ∙ Ivy ∙ J ∙ Jelly ∙ K (Q, KDB+) ∙ Nial ∙ RAD |
Community
Built-ins
Glyphs
APL glyphs [edit] | |
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Information | Glyph ∙ Typing glyphs (on Linux) ∙ Unicode ∙ Fonts ∙ Mnemonics |
Individual glyphs | Jot (∘ ) ∙ Right Shoe (⊃ ) ∙ Up Arrow (↑ ) ∙ Zilde (⍬ ) ∙ High minus (¯ ) ∙ Dot (. ) ∙ Del (∇ )
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