Unprotect (Built-in Mathematica Symbol)

Unprotect[s_1, s_2, ...] removes the attribute Protected for the symbols s_i. Unprotect["form_1", "form_2", ...] unprotects all symbols whose names textually match any of the ...

UpperCaseQ (Built-in Mathematica Symbol)

UpperCaseQ[string] yields True if all the characters in the string are uppercase letters, and yields False otherwise.

VectorColorFunction (Built-in Mathematica Symbol)

VectorColorFunction is an option for VectorPlot and related functions which specifies a function to apply to determine colors of field vectors drawn.

VectorPoints (Built-in Mathematica Symbol)

VectorPoints is an option to VectorPlot, ListVectorPlot, and related functions that determines how many field vectors to draw.

VerifyTestAssumptions (Built-in Mathematica Symbol)

VerifyTestAssumptions is an option to LocationTest and similar functions that controls which assumptions to verify through diagnostic tests.

VertexLabeling (Built-in Mathematica Symbol)

VertexLabeling is an option for GraphPlot and related functions which specifies whether labeling should be included by default for vertices in graphs.

VertexLabelStyle (Built-in Mathematica Symbol)

VertexLabelStyle is an option and property for Graph and related functions that specifies the style to use for vertex labels.

VertexRenderingFunction (Built-in Mathematica Symbol)

VertexRenderingFunction is an option for GraphPlot and related functions that gives a function to generate the graphics primitives to use in rendering each vertex.

ViewAngle (Built-in Mathematica Symbol)

ViewAngle is an option for Graphics3D and related functions which gives the opening half-angle for a simulated camera used to view the three-dimensional scene.

ViewCenter (Built-in Mathematica Symbol)

ViewCenter is an option for Graphics3D and related functions which gives the scaled coordinates of the point which should appear at the center of the final image.