FisherZDistribution[n, m] represents a Fisher z distribution with n numerator and m denominator degrees of freedom.
FoldList[f, x, {a, b, ...}] gives {x, f[x, a], f[f[x, a], b], ...}.
HornerForm[poly] puts the polynomial poly in Horner form.HornerForm[poly, vars] puts poly in Horner form with respect to the variable or variable list ...
HotellingTSquareDistribution[p, m] represents Hotelling's T^2 distribution with dimensionality parameter p and m degrees of freedom.
ImageLevels[image] gives a list of pixel values and counts for each channel in image. ImageLevels[image, n] bins pixel values into n equally spaced levels.ImageLevels[image, ...
InverseFourier[list] finds the discrete inverse Fourier transform of a list of complex numbers.
JacobiCN[u, m] gives the Jacobi elliptic function cn(u | m).
JacobiDN[u, m] gives the Jacobi elliptic function dn(u | m).
JacobiDS[u, m] gives the Jacobi elliptic function ds(u | m).
JacobiSD[u, m] gives the Jacobi elliptic function sd(u | m).