Interpretation[e, expr] represents an object that displays as e, but is interpreted as the unevaluated form of expr if supplied as input. Interpretation[{x = x_0, y = y_0, ...
InterquartileRange[list] gives the difference between the upper and lower quartiles for the elements in list.InterquartileRange[dist] gives the difference between the upper ...
Interrupt[] generates an interrupt.
Intersection[list_1, list_2, ...] gives a sorted list of the elements common to all the list_i.
IntervalIntersection[interval_1, interval_2, ...] gives the interval representing all points common to each of the interval_i.
IntervalMemberQ[interval, x] gives True if the number x lies within the specified interval, and False otherwise. IntervalMemberQ[interval_1, interval_2] gives True if ...
Interval[{min, max}] represents the range of values between min and max. Interval[{min_1 , max_1}, {min_2 , max_2}, ...] represents the union of the ranges min_1 to max_1, ...
IntervalUnion[interval_1, interval_2, ...] gives the interval representing the set of all points in any of the interval_i.
InverseBetaRegularized[s, a, b] gives the inverse of the regularized incomplete beta function.
InverseCDF[dist, q] gives the inverse of the cumulative distribution function for the symbolic distribution dist as a function of the variable q.