expr /. rules applies a rule or list of rules in an attempt to transform each subpart of an expression expr.
ResetScheduledTask[obj] resets scheduled task object obj to the original parameter values.ResetScheduledTask[obj, timespec] resets scheduled task timing to ...
Rule
(Built-in Mathematica Symbol) lhs -> rhs or lhs -> rhs represents a rule that transforms lhs to rhs.
Span
(Built-in Mathematica Symbol) i ;; j represents a span of elements i through j.i ;; represents a span from i to the end.;; j represents a span from the beginning to j.;; represents a span that includes ...
TextRecognize[image] recognizes text in image and returns it as a string.
TimeConstrained[expr, t] evaluates expr, stopping after t seconds. TimeConstrained[expr, t, failexpr] returns failexpr if the time constraint is not met.
$ScheduledTask returns the current ScheduledTaskObject.
Functions for manipulating elements in explicit lists. This gives a list with x prepended. This inserts x so that it becomes element number 2.
Representations of real intervals. This represents all numbers between -2 and +5. The square of any number between -2 and +5 is always between 0 and 25.
Finding and setting values of symbols. Mathematica effectively stores all definitions you give as lists of transformation rules. When a particular symbol is encountered, the ...