Mesh is an option for Plot3D, DensityPlot, and other plotting functions that specifies what mesh should be drawn.

NHoldRest is an attribute which specifies that all but the first argument to a function should not be affected by N.

Primes represents the domain of prime numbers, as in x \[Element] Primes.

Quiet[expr] evaluates expr "quietly", without actually outputting any messages generated.Quiet[expr, {s_1::t_1, s_2::t_2, ...}] quietens only the specified messages during ...

ToNumberField[a, \[Theta]] expresses the algebraic number a in the number field generated by \[Theta]. ToNumberField[{a_1, a_2, ...}, \[Theta]] expresses the a_i in the field ...

Translate[g, {x, y, ...}] represents graphics primitives g translated by the vector {x, y, ...}. Translate[g, {{x_1, y_1, ...}, {x_2, y_2, ...}, ...}] represents multiple ...

lhs ^:= rhs assigns rhs to be the delayed value of lhs, and associates the assignment with symbols that occur at level one in lhs.

$IterationLimit gives the maximum length of evaluation chain used in trying to evaluate any expression.

Finding singular values and norms of matrices. The singular values of a matrix m are the square roots of the eigenvalues of m.m^*, where * denotes Hermitian transpose. The ...

Mathematica 8 provides functions that allow developers to implement file format converters to be integrated with the Mathematica Import and Export framework. You can ...