Mathematica allows almost every aspect of sessions to be customized, under full programmatic control.

Mathematica handles formulas of all types, from polynomials with millions of terms to complex combinations of higher mathematical functions. It provides powerful general ...

Mathematica does operations like numerical integration very differently from the way it does their symbolic counterparts. When you do a symbolic integral, Mathematica takes ...

PowerExpand[expr] expands all powers of products and powers. PowerExpand[expr, {x_1, x_2, ...}] expands only with respect to the variables x_i.

Direction is an option for Limit that specifies the direction in which the limit is taken.

InputAssumptions is an option for WolframAlpha that specifies assumptions for current query input.

Packing a large number of sophisticated algorithms—many recent and original—into a powerful collection of functions, Mathematica draws on almost every major result in number ...

Negative[x] gives True if x is a negative number.

NonNegative[x] gives True if x is a non-negative number.

NonPositive[x] gives True if x is a non-positive number.