MeshStyle is an option for Plot3D, DensityPlot, and other plotting functions that specifies the style in which to draw a mesh.
VariationalBound[f, u[x ], {x, x_min, x_max}, u_t, {a}, {b}, ...] finds values of the parameters a, b, ... of a trial function u_t that extremize the functional ...
Exp
(Built-in Mathematica Symbol) Exp[z] gives the exponential of z.
FullSimplify[expr] tries a wide range of transformations on expr involving elementary and special functions, and returns the simplest form it finds. FullSimplify[expr, assum] ...
NormFunction is an option for functions such as FindFit and NDSolve which gives a function to be minimized in generating results.
WaveletPsi[wave, x] gives the wavelet function \[Psi](x) for the symbolic wavelet wave evaluated at x.WaveletPsi[wave] gives the wavelet function as a pure function.
Spheroidal functions. The radial spheroidal functions SpheroidalS1[n,m, γ,z] and SpheroidalS2[n,m,γ,z] and angular spheroidal functions SpheroidalPS[n,m,γ,z] and ...
Complex Polynomial Systems Real Polynomial Systems Diophantine Polynomial Systems
JacobiDS[u, m] gives the Jacobi elliptic function ds(u | m).
JacobiSD[u, m] gives the Jacobi elliptic function sd(u | m).