| APL2 | Symbol | Vocab | J |
| Add, Conjugate | | + | Conjugate, Plus |
| Subtract, Negative | | - | Negate, Minus |
| Multiply, Direction | | * | Signum, Times |
| Divide, Reciprocal | | % | Reciprocal, Divide |
| Less Than or Equal | | <: | Decrement, Less Or Equal |
| Greater Than or Equal | | >: | Increment, Larger Or Equal |
| Equal | | = | Self-Classify, Equal |
| Without, Not | | -. | Not, Less |
| Deal, Roll | | ? | Roll, Deal |
| Residue, Magnitude | | | | Magnitude, Residue |
| Maximum, Ceiling | | >. | Ceiling, Larger Of (Max) |
| Minimum, Floor | | <. | Floor, Lesser Of (Min) |
| Bracket Index | | | |
| Trig Functions, Pi | | o. | Pi Times, Circle Function |
| Power, Exponential | | ^ | Exponential, Power |
| Log, Natural Log | | ^. | Natural Log, Logarithm |
| Binomial, Factorial | | ! | Factorial, Out Of |
| Matrix Divide, Inverse | | %. | Matrix Inverse, Matrix Divide |
| Pick, Disclose | | | |
| Partition, Enclose | | | |
| Index of, Interval | | i. | Integers, Index Of |
| Member, Enlist | | e. | Raze In, Member (In) |
| And | | *. | Length/Angle, LCM (And) |
| Or | | +. | Real/Imaginary, GCD (Or) |
| Nand | | *: | Square, Not-And |
| Nor | | +: | Double, Not-Or |
| Less Than | | < | Box, Less Than |
| Greater Than | | > | Open, Larger Than |
| Not Equal | | ~: | Nub Sieve, Not-Equal |
| Match, Depth | | -: | Halve, Match |
| Catenate, Ravel | | | |
| Rotate, Reverse | | |. | Reverse, Rotate (Shift) |
| Take, First | | {. | Head, Take |
| Drop | | }. | Behead, Drop |
| Index | | | |
| Reshape, Shape | | $ | Shape Of, Shape |
| Grade Up | | /: | Grade Up, Sort |
| Grade Down | | \: | Grade Down, Sort |
| Execute | | | |
| Format | | ": | Default Format, Format |
| Decode | | | |
| Encode | | | |
| Transpose | | |: | Transpose |
| Find | | E. | Member of Interval |
| Reduce, Replicate | | | |
| Inner Product | | | |
| Outer Product | | | |
| Scan, Expand | | | |
| Axis | | | |
| Each | | ". | Do, Numbers |
| Negative Number | | _ | Negative Sign, Infinity |
| Assignment | | =: | Is (Global) |
| Definition | | | |
| Grouping | | | |
| Label delimiter | | : | Explicit / Monad-Dyad |
| Expression seperator | | | |
| Character constant | | | |
| Branch | | | |
| Distinquished | | | |
| Indexing | | | |
| Comment delimiter | | NB. | Comment |
| Axis/local seperator | | | |