Appendix:APL

This appendix contains APL (A Programming Language) symbols.

Index

 * ε: monadically creates a vector of all of the elements of a structure, or dyadically tests whether an element is present in a structure
 * ≡: monadically determines the nested depth of a structure, or dyadically tests two structures for identicalness
 * ⌹: matrix inversion or division
 * ⌽: reverse of shift a matrix structure
 * ⌿: reduction
 * ⍀: scanning
 * ⍉: reorders a data structure
 * ⍋: sorts a data structure ascendingly
 * ⍎: executes code from a string
 * ⍒: sorts a data structure descendingly
 * ⍕: generates formatted strings
 * ⍞: displays a prompt to enter text
 * ⍟: computes logarithms
 * ⍪: catenation
 * ⍫: prevents viewing and editing a piece of code
 * ⍬: represents an empty numeric vector
 * ⍱: NOR
 * ⍲: NAND
 * ⍳: monadically generates a series of integers, or dyadically finds one set of items with another
 * ⍴: monadically queries the shape of a data structure, or dyadically modifies it
 * ⍷: finds instances of one item within another
 * ⍺: formats numbers as strings