Less (Built-in Mathematica Symbol)

x < y yields True if x is determined to be less than y. x_1 < x_2 < x_3 yields True if the x_i form a strictly increasing sequence.

ExpIntegralEi (Built-in Mathematica Symbol)

ExpIntegralEi[z] gives the exponential integral function Ei(z).

SinIntegral (Built-in Mathematica Symbol)

SinIntegral[z] gives the sine integral function Si(z).

Resonance Absorption Lines Package (Resonance Absorption Lines Package Tutorial)

The functions defined in ResonanceAbsorptionLines` allow you to efficiently search through an atomic data table for resonance absorption lines. Other functions give ...

TeXForm (Built-in Mathematica Symbol)

TeXForm[expr] prints as a TeX version of expr.

Numerical Equation Solving (Mathematica Tutorial)

Numerical root finding. NSolve gives you numerical approximations to all the roots of a polynomial equation. You can also use NSolve to solve sets of simultaneous equations ...

ArcCsc (Built-in Mathematica Symbol)

ArcCsc[z] gives the arc cosecant csc -1 (z) of the complex number z.

ArcSec (Built-in Mathematica Symbol)

ArcSec[z] gives the arc secant sec -1 (z) of the complex number z.

BarCharts` (Mathematica Compatibility Information)

As of Version 7, the Bar Charts Package has been integrated into the Mathematica kernel.

Introduction to Differential-Algebraic ... (Mathematica Tutorial)

The systems of equations that govern certain phenomena (in electrical circuits, chemical kinetics, etc.) contain a combination of differential equations and algebraic ...