CellLabel is an option for Cell which gives the label to use for a particular cell.

Notebooks[] gives a list of notebooks currently open in the front end.

SessionTime[] gives the total number of seconds of real time that have elapsed since the beginning of your Mathematica session.

StackBegin[expr] evaluates expr, starting a fresh evaluation stack.

Transparent represents perfect transparency in graphics or style specifications.

Mathematica usually works by taking whatever input you give, and then processing it. Sometimes, however, you may want to have a program you write explicitly request more ...

The function Flatten allows you to explicitly flatten out all sublists. FlattenAt lets you specify at what positions you want sublists flattened. Sequence objects ...

In doing a calculation with Mathematica, you usually go through a sequence of steps. If you want to, you can do each step on a separate line. Often, however, you will find it ...

Type the expression that will have an overscript. Type x. Create an overscript by pressing the Control key and the 7 key at the same time.

RemoteServicesAgentInformation["agent"] returns information about agent.RemoteServicesAgentInformation[] returns information about agents on the local network.