RadicalBox[x, n] is a low-level box construct that represents the displayed object Power[x, (n)^-1] in notebook expressions.

RowBox[{box_1, box_2, ...}] is a low-level box construct that represents a row of boxes or strings in a notebook expression.

SoundNote[pitch] represents a music-like sound note with the specified pitch.SoundNote[pitch, t] takes the note to have duration t.SoundNote[pitch, {t_min, t_max}] takes the ...

StringLength["string"] gives the number of characters in a string.

Thinning[image] finds the skeletons of foreground regions in image by applying morphological thinning until convergence.Thinning[image, n] performs n iterations of ...

TimeUsed[] gives the total number of seconds of CPU time used so far in the current Mathematica session.

True is the symbol for the Boolean value true.

WindowTitle is an option that specifies the title to give for a window.

$PreRead is a global variable whose value, if set, is applied to the text or box form of every input expression before it is fed to Mathematica.

Other tutorials have discussed explicit loading of Mathematica packages using <<package and Needs[package]. Sometimes, however, you may want to set Mathematica up so that it ...