Mathematica has integrated interactive and programmatic access to the full power of the Wolfram|Alpha computational knowledge engine, using it to allow free-form linguistic ...

Horizontal Lines opens a submenu to insert a line of the specified thickness above or below the selected cell.

AnimationDirection is an option which specifies the direction to run an animation.

BitShiftLeft[n, k] shifts the binary bits in the integer n to the left by k places, padding with zeros on the right.BitShiftLeft[n] shifts one bit to the left.

Closing[image, ker] gives the morphological closing of image with respect to the structuring element ker.Closing[image, r] gives the closing with respect to a range r square.

DiacriticalPositioning is an option for UnderscriptBox and related boxes that specifies how close diacritical characters are drawn to the base character.

LibraryLoad[lib] loads the dynamic library lib into the Mathematica runtime.

Links[] gives a list of all MathLink connections that are currently open. Links[patt] lists only links whose names match the specified string pattern.

NonConstants is an option for D which gives a list of objects to be taken to depend implicitly on the differentiation variables.

NotebookPath is a global option that determines which directories are searched when a specified notebook is needed.