Accuracy[x] gives the effective number of digits to the right of the decimal point in the number x.

Chop[expr] replaces approximate real numbers in expr that are close to zero by the exact integer 0.

CreateScheduledTask[expr] creates a task that will repeatedly evaluate expr once per second.CreateScheduledTask[expr, time] creates a task that will repeatedly evaluate expr ...

FileNameSetter[name] represents a file name setter which displays as a Browse button and when clicked brings up a system file opening dialog, starting from the location ...

Length[expr] gives the number of elements in expr.

MachinePrecision is a symbol used to indicate machine-number precision.

NotebookEventActions is a notebook option that gives a list of actions to perform when specified events occur in connection with the notebook.

RunScheduledTask[expr] schedules and starts a task that will repeatedly evaluate expr once per second.RunScheduledTask[expr, time] schedules and starts a task that will ...

Short[expr] prints as a short form of expr, less than about one line long. Short[expr, n] prints as a form of expr about n lines long.

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 ...