lexicon.md

April APL Lexicon

Functions

[+] Conjugate / Add

[-] Negate / Subtract

[×] Sign / Multiply

[÷] Reciprocal / Divide

[⋆] Exponential / Power

[⍟] Natural Logarithm / Logarithm

[|] Magnitude / Residue

[!] Factorial / Binomial

[⌈] Ceiling / Maximum

[⌊] Floor / Minimum

[?] Random / Deal

[○] Pi Times / Circular

[~] Not / Without

[<] Less

[≤] Less or Equal

[=] Equal

[≥] Greater or Equal

[>] Greater

[≠] Unique Mask / Not Equal

[∧] And

[⍲] Nand

[∨] Or

[⍱] Nor

[⍳] Interval / Index Of

[⍴] Shape / Reshape

[⌷] Index

[≡] Depth / Match

[≢] First Dimension / Not Match

[∊] Enlist / Membership

[⍷] Find

[⍸] Where / Interval Index

[,] Ravel / Catenate or Laminate

[⍪] Table / Catenate First

[↑] Mix / Take

[↓] Split / Drop

[⊂] Enclose / Partitioned Enclose

[⊆] Nest / Partition

[⊃] Disclose / Pick

[∩] Intersection

[∪] Unique / Union

[⌽] Reverse / Rotate

[⊖] Reverse First / Rotate First

[⍉] Transpose / Permute

[/] Replicate

[⌿] Replicate First

[\] Expand

[⍀] Expand First

[⍋] Grade Up / Grade Up By

[⍒] Grade Down / Grade Down By

[⌹] Matrix Inverse / Matrix Divide

[⊤] Encode

[⊥] Decode

[⊢] Identity / Right

[⊣] Empty / Left

[⍕] Format / Format At Precision

[⍎] Evaluate

[←] Assign

[→] Branch

Operators

[←] Assign Result Of

[/] Reduce

[⌿] Reduce First

[\] Scan

[⍀] Scan First

[¨] Each

[⍨] Commute

[⌸] Key

[.] Inner/Outer Product

[∘] Beside

[⍛] Before

[⍤] Rank / Atop

[⍥] Over

[⍣] Power

[@] At

[⌺] Stencil

Statements

[$] If