COperator[oper, arg_1, ...] is a symbolic representation of an operator.
$GUIPath lists the directories searched in attempting to find interface files.
Calendar is an option for calendar functions which specifies which calendar system to use.
ControlType is an option for Manipulate and related functions that specifies what type of controls should be displayed.
CriticalSection[{var_1, var_2, ...}, expr] locks the variables var_i with respect to parallel computation, evaluates expr, then releases the var_i.
SphericalRegion is an option for three-dimensional graphics functions that specifies whether the final image should be scaled so that a sphere drawn around the ...
SQLDropTable drops tables from a database. An alternative, using raw SQL, is demonstrated in "Dropping Tables with Raw SQL". If you find that the examples in this tutorial do ...
Nand
(Built-in Mathematica Symbol) 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
(Built-in Mathematica Symbol) 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.
LinearModelFit[{y_1, y_2, ...}, {f_1, f_2, ...}, x] constructs a linear model of the form \[Beta]_0 + \[Beta]_1 f_1 + \[Beta]_2 f_2 + ... that fits the y_i for successive x ...