FlipView[{expr_1, expr_2}] represents an object which flips between displaying expr_1 and expr_2 each time it is clicked.FlipView[{expr_1, expr_2, ...}] cyclically flips ...
FresnelC[z] gives the Fresnel integral C(z).
FresnelS[z] gives the Fresnel integral S(z).
FullForm[expr] prints as the full form of expr, with no special syntax.
HarmonicNumber[n] gives the n\[Null]^th harmonic number H_n. HarmonicNumber[n, r] gives the harmonic number H_n^(r) of order r.
HermiteH[n, x] gives the Hermite polynomial H_n (x).
Im
(Built-in Mathematica Symbol) Im[z] gives the imaginary part of the complex number z.
InputForm[expr] prints as a version of expr suitable for input to Mathematica.
InverseEllipticNomeQ[q] gives the parameter m corresponding to the nome q in an elliptic function.
JacobiAmplitude[u, m] gives the amplitude am(u \[VerticalSeparator] m) for Jacobi elliptic functions.