NotebookEventActions is a notebook option that gives a list of actions to perform when specified events occur in connection with the notebook.

SequenceAlignment[s_1, s_2] finds an optimal alignment of sequences of elements in the strings or lists s_1 and s_2, and yields a list of successive matching and differing ...

TicksStyle is an option for graphics functions which specifies how ticks should be rendered.

x*y*z, x*y*z, or x y z represents a product of terms.

lhs ^:= rhs assigns rhs to be the delayed value of lhs, and associates the assignment with symbols that occur at level one in lhs.

Xnor[e_1, e_2, ...] is the logical XNOR (not XOR) function. It gives True if an even number of the e_i are True, and the rest are False. It gives False if an odd number of ...

Xor[e_1, e_2, ...] is the logical XOR (exclusive OR) function. It gives True if an odd number of the e_i are True, and the rest are False. It gives False if an even number of ...

In most cases, you want the head f of a Mathematica expression like f[x] to be a single symbol. There are, however, some important applications of heads that are not symbols. ...

The Mathematica function Integrate[f,x] gives you the indefinite integral ∫f dx. You can think of the operation of indefinite integration as being an inverse of ...

You can give Solve a list of simultaneous equations to solve. Solve can find explicit solutions for a large class of simultaneous polynomial equations. Here is a simple ...