Nand[e_1, e_2, ...] is the logical NAND function. It evaluates its arguments in order, giving True immediately if any of them are False, and False if they are all True.

Nor[e_1, e_2, ...] is the logical NOR function. It evaluates its arguments in order, giving False immediately if any of them are True, and True if they are all False.

PasteButton[expr] represents a button that pastes expr whenever it is pressed. PasteButton[label, expr] displays with label on the button.

Connecting to a subsidiary program via MathLink. This starts a subsidiary Mathematica process on the computer system used here. Here is a packet representing the first input ...

All the functionality of NumericalMath`Microscope` is now available in the newly created Computer Arithmetic Package. The function Microscope has been renamed MicroscopePlot. ...

Built into Mathematica are state-of-the-art constrained nonlinear fitting capabilities, conveniently accessed with models given directly in symbolic form. Mathematica also ...

init.m is a Mathematica initialization file.

EmitSound[snd] emits the sound snd when evaluated. EmitSound[{snd_1, snd_2, ...}] emits each of the sounds snd_i in sequence.

FrontEndEventActions is an option for the notebook front end that gives a list of actions to perform when specified user-interface events occur.

In[n] is a global object that is assigned to have a delayed value of the n\[Null]^th input line.