BesselI (Built-in Mathematica Symbol)

BesselI[n, z] gives the modified Bessel function of the first kind I_n (z).

UpSetDelayed (Built-in Mathematica Symbol)

lhs ^:= rhs assigns rhs to be the delayed value of lhs, and associates the assignment with symbols that occur at level one in lhs.

Working with Special Functions (Mathematica Tutorial)

Some common operations on special functions. Most special functions have simpler forms when given certain specific arguments. Mathematica will automatically simplify special ...

Mathematical Functions (Mathematica Guide)

Mathematica has the most extensive collection of mathematical functions ever assembled. Often relying on original results and algorithms developed at Wolfram Research over ...

Developer Utilities Package (Developer Package Guide)

The Developer Utilities Package includes functions that directly access specific internal algorithms and capabilities of Mathematica that are normally used only as part of ...

Dt (Built-in Mathematica Symbol)

Dt[f, x] gives the total derivative d f/d x. Dt[f] gives the total differential d f. Dt[f, {x, n}] gives the multiple derivative d^n f/d x^n. Dt[f, x_1, x_2, ...] gives d/d ...

Power (Built-in Mathematica Symbol)

x^y gives x to the power y.

PICT (Mathematica Import/Export Format)

MIME type: image/pict Macintosh graphics format. Was the original metafile format of the Apple Macintosh. PICT is an acronym derived from Picture. Can store raster images and ...

Times (Built-in Mathematica Symbol)

x*y*z, x*y*z, or x y z represents a product of terms.

Dividers (Built-in Mathematica Symbol)

Dividers is an option for Grid and related constructs that specifies where and how to draw divider lines.