Underscript[x, y] is an object that formats as UnderscriptBox[x, y].
$HistoryLength specifies the number of previous lines of input and output to keep in a Mathematica session.
$NumberMarks gives the default value for the option NumberMarks, which specifies whether ` marks should be included in the input form representations of approximate numbers.
$SystemID is a short string that identifies the type of computer system on which Mathematica is being run.
A Clairaut equation is a first-order equation of the form A remarkable feature of this nonlinear equation is that its general solution has a very simple form. This is an ...
Bonferroni is a possible value for the PostTests option for ANOVA.
You can import spreadsheets created in a variety of formats to take advantage of Mathematica 's rich data manipulation and visualization capabilities.
FontSize is an option for Style and Cell that specifies the default size in printer's points of the font in which to render text.
RadicalBox[x, n] is a low-level box construct that represents the displayed object Power[x, (n)^-1] in notebook expressions.
SetFileDate["file"] sets the modification and access dates for a file to be the current date.