Controlling the Precision of Results (Mathematica Tutorial)

In doing numerical operations like NDSolve and NMinimize, Mathematica by default uses machine numbers. But by setting the option WorkingPrecision->n you can tell it to use ...

Some Special Plots (Mathematica Tutorial)

As discussed in "The Structure of Graphics and Sound", Mathematica includes a full graphics programming language. In this language, you can set up many different kinds of ...

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).

SinhIntegral (Built-in Mathematica Symbol)

SinhIntegral[z] gives the hyperbolic sine integral function Shi(z).

Testing Expressions (Mathematica Guide)

Mathematica symbolic expressions can represent an immense range of types of objects. Mathematica provides a rich collection of functions to test expressions. Functions that ...

Manipulating Files and Directories (Mathematica Tutorial)

Functions for manipulating files. Different operating systems have different commands for manipulating files. Mathematica provides a simple set of file manipulation ...

Further Examples of Exactly Solvable ... (Mathematica Tutorial)

The solutions to many second-order ODEs can be expressed in terms of special functions. Solutions to certain higher-order ODEs can also be expressed using AiryAi, BesselJ, ...

Session Customization (Mathematica Guide)

Mathematica allows almost every aspect of sessions to be customized, under full programmatic control.

Use the Virtual Book (Mathematica How To)

The Virtual Book is a browsable electronic collection of all the Mathematica tutorials, grouped according to functionality. It is an excellent place for users of all levels ...