HammingDistance (Built-in Mathematica Symbol)

HammingDistance[u, v] gives the Hamming distance between strings or vectors u and v.

Ulp (Computer Arithmetic Package Symbol)

Ulp[x] gives the size of an ulp for numbers near x.

Optional and Default Arguments (Mathematica Tutorial)

Sometimes you may want to set up functions where certain arguments, if omitted, are given "default values". The pattern x_:v stands for an object that can be omitted, and if ...

FixedPoint (Built-in Mathematica Symbol)

FixedPoint[f, expr] starts with expr, then applies f repeatedly until the result no longer changes.

Precision (Built-in Mathematica Symbol)

Precision[x] gives the effective number of digits of precision in the number x.

Entering Formulas (Mathematica Tutorial)

Special forms for some common symbols. This is equivalent to Sin[60Degree]. Here is the long form of the input.

Select (Built-in Mathematica Symbol)

Select[list, crit] picks out all elements e_i of list for which crit[e_i] is True. Select[list, crit, n] picks out the first n elements for which crit[e_i] is True.

BakersDozen (Units Package Symbol)

BakersDozen is a unit multiplier.

Gross (Units Package Symbol)

Gross is a unit multiplier.

Percent (Units Package Symbol)

Percent is a unit multiplier.