Grad[f] gives the gradient, \[Del]f, of the scalar function f in the default coordinate system. Grad[f, coordsys] gives the gradient of f in the coordinate system coordsys.

Laplacian[f] gives the Laplacian, \[Del]^2 f, of the scalar function or vector field f in the default coordinate system. Laplacian[f, coordsys] gives the Laplacian of f in ...

OblateSpheroidal represents the oblate spheroidal coordinate system with default variables Xxi, Eeta, and Pphi and default parameter value 1. OblateSpheroidal[\[Xi], \[Eta], ...

ProlateSpheroidal represents the prolate spheroidal coordinate system with default variables Xxi, Eeta, and Pphi and default parameter value 1. ProlateSpheroidal[\[Xi], ...

ScalarTripleProduct[v_1, v_2, v_3] gives the scalar triple product of the three 3-vectors v_1, v_2 and v_3 in the default coordinate system. ScalarTripleProduct[v_1, v_2, ...

ScaleFactors[pt] gives a list of the scale factors at the point pt in the default coordinate system. ScaleFactors[pt, coordsys] gives a list of the scale factors in the ...

Toroidal represents the toroidal coordinate system with default variables Uu, Vv, and Pphi and default parameter value 1. Toroidal[u, v, \[Phi]] represents the toroidal ...

ExpressionToSymbolicMathML[expr] converts the Mathematica expression, expr, into a MathML-flavored SymbolicXML structure.

RawXML["string"] represents a raw string fragment of XML that can be used inside a SymbolicXML expression.

SymbolicXMLErrors[expr] returns a list of part specifications indicating where there are errors in the SymbolicXML expression expr and a message about the nature of each ...