Or (Built-in Mathematica Symbol)

e_1 || e_2 || ... is the logical OR function. It evaluates its arguments in order, giving True immediately if any of them are True, and False if they are all False.

Change the Form of Input and Output (Mathematica How To)

The user interface for Mathematica provides many options for formatting input and output.

Make Mathematica Speak (Mathematica How To)

Starting in Version 7, Mathematica includes expression-to-speech functionality. In principle, any Mathematica expression can be translated in this way.

ExpToTrig (Built-in Mathematica Symbol)

ExpToTrig[expr] converts exponentials in expr to trigonometric functions.

Numerical Mathematics in Mathematica (Mathematica Tutorial)

One of the important features of Mathematica is its ability to give you exact, symbolic, results for computations. There are, however, computations where it is just ...

Unconstrained Optimization (Mathematica Overview)

Introduction Methods for Local Minimization Methods for Solving Nonlinear Equations

ParameterEstimator (Built-in Mathematica Symbol)

ParameterEstimator is an option to EstimatedDistribution and FindDistributionParameters that specifies what parameter estimator to use.

ArrayQ (Built-in Mathematica Symbol)

ArrayQ[expr] gives True if expr is a full array or a SparseArray object, and gives False otherwise. ArrayQ[expr, patt] requires expr to be a full array with a depth that ...

Moment (Built-in Mathematica Symbol)

Moment[list, r] gives the r\[Null]^th sample moment of the elements in list.Moment[dist, r] gives the r\[Null]^th moment of the symbolic distribution dist.Moment[..., {r_1, ...

Implies (Built-in Mathematica Symbol)

Implies[p, q] represents the logical implication p \[DoubleRightArrow] q.