**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 | | ** ** | |