Unprotect[s_1, s_2, ...] removes the attribute Protected for the symbols s_i. Unprotect["form_1", "form_2", ...] unprotects all symbols whose names textually match any of the ...

When you use //N to get a numerical result, Mathematica does what a standard calculator would do: it gives you a result to a fixed number of significant figures. You can also ...

KernelMixtureDistribution[{x_1, x_2, ...}] represents a kernel mixture distribution based on the data values x_i.KernelMixtureDistribution[{{x_1, y_1, ...}, {x_2, y_2, ...}, ...

CompileEvaluate[expr] compiles expr and then evaluates the resulting compiled code.

Looping is a core concept in programming. Mathematica provides powerful primitives for specifying and controlling looping, not only in traditional procedural programming, but ...

Mathematica 6 introduced the revolutionary idea of symbolic dynamic interactivity. Mathematica 7 makes use of this idea throughout the system, and adds a number of additional ...

These "How tos" give step-by-step instructions for common tasks related to calculus in Mathematica .

FinishDynamic[] finishes updating and displaying all currently visible Dynamic objects.

Introduction Methods for Local Minimization Methods for Solving Nonlinear Equations

For most differential equations, the results given by NDSolve are quite accurate. However, because its results are based on numerical sampling and error estimates, there can ...