IrreduciblePolynomialQ[poly] tests whether poly is an irreducible polynomial over the rationals.IrreduciblePolynomialQ[poly, Modulus -> p] tests whether poly is irreducible ...
IsolatingInterval[a] gives a rational isolating interval for the algebraic number a.IsolatingInterval[a, dx] gives an isolating interval of width at most dx.
IsomorphicGraphQ[g_1, g_2] yields True if the graphs g_1 and g_2 are isomorphic, and False otherwise.
IsotopeData[{Z, A}, " property"] gives the value of the specified property for the isotope with atomic number Z and mass number A.IsotopeData["name", " property"] gives the ...
Italic
(Built-in Mathematica Symbol) Italic represents an italic font slant.
ItemAspectRatio is an option for GraphicsGrid which specifies the ratio of height to width for the regions in which items are placed in the graphics grid.
Item
(Built-in Mathematica Symbol) Item[expr, options] represents an item within constructs such as Grid, Overlay, and Manipulate that displays with expr as the content, and with the specified options applied ...
ItemSize is an option for Grid, Column, and related constructs that specifies the sizes to allow for items.
ItemStyle is an option for Grid, Column, and related constructs that specifies styles to use for items.
JaccardDissimilarity[u, v] gives the Jaccard dissimilarity between Boolean vectors u and v.