Assuming[assum, expr] evaluates expr with assum appended to $Assumptions, so that assum is included in the default assumptions used by functions such as Refine, Simplify, and ...
Boole
(Built-in Mathematica Symbol) Boole[expr] yields 1 if expr is True and 0 if it is False.
ClickPane[image, func] represents a clickable pane that displays as image and applies func to the x, y coordinates of each click within the pane.ClickPane[image, {{x_min, ...
Collect
(Built-in Mathematica Symbol) Collect[expr, x] collects together terms involving the same powers of objects matching x. Collect[expr, {x_1, x_2, ...}] collects together terms that involve the same powers ...
ComplexExpand[expr] expands expr assuming that all variables are real. ComplexExpand[expr, {x_1, x_2, ...}] expands expr assuming that variables matching any of the x_i are ...
Decompose[poly, x] decomposes a polynomial, if possible, into a composition of simpler polynomials.
Infinity or \[Infinity] is a symbol that represents a positive infinite quantity.
SiegelTheta[\[CapitalOmega], s] gives the Siegel theta function \[CapitalTheta] (\[CapitalOmega], s) with Riemann modular matrix \[CapitalOmega] and vector ...
All the functionality of NumericalMath`GaussianQuadrature`is now available in the newly created Numerical Differential Equation Analysis Package.
All the functionality of NumericalMath`NewtonCotes` is now available in the newly created Numerical Differential Equation Analysis Package.