UnitStep[x] represents the unit step function, equal to 0 for x < 0 and 1 for x >= 0. UnitStep[x_1, x_2, ...] represents the multidimensional unit step function which is 1 ...

There are many convenient ways to get an image into Mathematica , including drag and drop. You can also import images by evaluating commands in a notebook. Once you have an ...

ExtensionDegree[f] gives the degree of the extension of the field f over its base field.

FieldIrreducible[f, s] gives the irreducible polynomial in the symbol s associated with the field f.

Automatically selecting between hundreds of powerful and in many cases original algorithms, Mathematica provides both numerical and symbolic solving of differential equations ...

Indeterminate is a symbol that represents a numerical quantity whose magnitude cannot be determined.

x^y gives x to the power y.

SurvivalDistribution[{e_1, e_2, ...}] represents a survival distribution with event times e_i.SurvivalDistribution[{w_1, w_2, ...} -> {e_1, e_2, ...}] represents a survival ...

Version 6.0 added a collection of carefully optimized functions to Mathematica's powerful arsenal of numerical handling capabilities.

Spheroidal functions. The radial spheroidal functions SpheroidalS1[n,m, γ,z] and SpheroidalS2[n,m,γ,z] and angular spheroidal functions SpheroidalPS[n,m,γ,z] and ...