SawtoothWave[x] gives a sawtooth wave that varies from 0 to 1 with unit period.SawtoothWave[{min, max}, x] gives a sawtooth wave that varies from min to max with unit period.

SeedRandom[n] resets the pseudorandom generator, using n as a seed. SeedRandom[] resets the generator, using as a seed the time of day and certain attributes of the current ...

SetOptions[s, name_1 -> value_1, name_2 -> value_2, ...] sets the specified default options for a symbol s. SetOptions[stream, ...] or SetOptions["name", ...] sets options ...

"s_1" <> "s_2" <> ..., StringJoin["s_1", "s_2", ...], or StringJoin[{"s_1", "s_2", ...}] yields a string consisting of a concatenation of the s_i.

Subgraph[g, {v_1, v_2, ...}] gives the subgraph of the graph g generated by the vertices v_i.Subgraph[g, {e_1, e_2, ...}] gives the subgraph generated by the edges ...

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

Translate[g, {x, y, ...}] represents graphics primitives g translated by the vector {x, y, ...}. Translate[g, {{x_1, y_1, ...}, {x_2, y_2, ...}, ...}] represents multiple ...

$MaxExtraPrecision gives the maximum number of extra digits of precision to be used in functions such as N.

In many computations you are concerned only with the final result of evaluating the expression given as input. But sometimes you also want to collect expressions that were ...

Partial differentiation operations. This gives ( ∂ ) / ( ∂x ) x^n. This gives the third derivative.