Dyalog APL - Vocabulary  · 
Function Monadic Operator Dyadic Operator Array Multi-Role Control
 · 

X, Y: Arrays  f, g, h: Functions

 


Plus + Conjugate Minus - Negate Times × Direction Divide ÷ Reciprocal
Maximum ⌈ Ceiling Minimum ⌊ Floor Power * Exponential Logarithm ⍟ Natural
Logarithm
Circular ○ Pi Times Binomial ! Factorial Deal ? Roll Residue | Magnitude
And/LCM ∧ Or/GCD ∨ Nand ⍲ Nor ⍱
0
Equal = Not Equal ≠ Unique
Mask 		Match ≡ Depth Not Match ≢ Tally
Less < Less Or
Equal 		≤ Greater Or
Equal 		≥ Greater >
Index ⌷ Materialise Take ↑ Mix Drop ↓ Split Reshape ⍴ Shape
Partitioned
Enclose 		⊂ Enclose Pick ⊃ First Left ⊣ Same Right ⊢ Same
0
Partition ⊆ Nest Union ∪ Unique Intersection ∩ Without ~ Not
Index Of ⍳ Index
Generator 		Interval
Index 		⍸ Where Membership ∊ Enlist Find ⍷
Replicate / Expand \ Replicate
First 		⌿ Expand
First 		⍀
Rotate ⌽ Reverse Rotate
First 		⊖ Reverse
First 		Catenate , Ravel Catenate
First 		⍪ Table
0
Reorder
Axes 		⍉ Transpose Decode ⊥ Encode ⊤ Matrix
Divide 		⌹ Matrix
Inverse
Namespace
Execute 		⍎ Execute Specified
Format 		⍕ Format Collated
Grade Up 		⍋ Grade Up Collated
Grade Down 		⍒ Grade Down

Each f¨ Each Constant X⍨ Constant Swap f⍨ Self System
Service 		X⌶ System
Service
Reduce
N-Wise 		f/ Reduce Reduce First
N-Wise 		f⌿ Reduce
First 		f\ Scan f⍀ Scan
First
Key f⌸ Key
Indices 		Spawn f& Spawn Axis f[X] Axis Outer
Product 		∘.g
0
Bound
Until 		f⍣g Until Bound
Repeat 		f⍣Y Repeat Variant f⍠Y Variant
Beside f∘g Beside f∘Y Bind X∘g Bind f⌺Y Stencil
Atop f⍤g Atop Rank f⍤Y Rank Bound
At 		@ At
Over f⍥g Over Inner
Product 		f.g
0
→ Abort ⋄ Statement
Separator 		: Guard :: Error
Guard
{…} Dfn {⍺⍺} Monadic
Dop 		{⍵⍵} Dyadic
Dop 		⍬ Empty
Numeric Vector
⍺ Left
Argument 		∇ Function
Self 		⍵ Right
Argument 		# Root
⍺⍺ Left
Operand 		∇∇ Operator
Self 		⍵⍵ Right
Operand 		## Parent
← Assign ⍝ Comment ⎕ Evaluated
Input/Stdout 		⍞ Text
Input/Stderr
(f g h) Fork (X g h) Fork (g h) Atop ¯ Negative