Rationalize (Built-in Mathematica Symbol)

Rationalize[x] converts an approximate number x to a nearby rational with small denominator. Rationalize[x, dx] yields the rational number with smallest denominator that lies ...

RootReduce (Built-in Mathematica Symbol)

RootReduce[expr] attempts to reduce expr to a single Root object.

Tooltip (Built-in Mathematica Symbol)

Tooltip[expr, label] displays label as a tooltip while the mouse pointer is in the area where expr is displayed.

Defining Your Own Wavelet (Mathematica Tutorial)

You can define wavelets to plug into the wavelet analysis framework by using the correct template. A wavelet wave is of the form wfam[args], where wfam is the symbol that ...

Brent's Method (Mathematica Tutorial)

When searching for a real simple root of a real valued function, it is possible to take advantage of the special geometry of the problem, where the function crosses the axis ...

Inserting Data (DatabaseLink Tutorial)

SQLInsert inserts data into a database. An alternative, using raw SQL, is described in "Inserting Data with Raw SQL". If you find that the examples in this tutorial do not ...

Numerical Examples (Library Link Tutorial)

The functions accessible with Wolfram LibraryLink make it possible to optimize numerical computations while still keeping the flexibility and generality of Mathematica. If ...

BindEvent (GUIKit Package Symbol)

BindEvent[name | {target, name} | {target, name, filter}, object | script | call, ...] binds an event from one object to a listener or to a script.

CalendarChange (Calendar Package Symbol)

CalendarChange[{year, month, day}, calendar_1, calendar_2] converts the date {year, month, day} given in calendar calendar_1 into a date given in calendar ...

ArcCos (Built-in Mathematica Symbol)

ArcCos[z] gives the arc cosine cos -1 (z) of the complex number z.