AlgebraicNumberNorm[a] gives the norm of the algebraic number a.
BooleanVariables[expr] gives a list of the Boolean variables in the Boolean expression expr.BooleanVariables[bf] gives the number of Boolean variables in the BooleanFunction ...
BoxMatrix[r] gives a (2 r + 1)*(2 r + 1) matrix of 1s.BoxMatrix[r, w] gives a (2 r + 1)*(2 r + 1) block of 1s centered in a w*w matrix of 0s.BoxMatrix[{r_1, r_2, ...}, ...] ...
CapForm
(Built-in Mathematica Symbol) CapForm[type] is a graphics primitive that specifies what type of caps should be used at the ends of lines, tubes, and related primitives.
CellContext is an option for Cell which specifies the context to use for the evaluation of the contents of the cell.
DeleteDuplicates[list] deletes all duplicates from list.DeleteDuplicates[list, test] applies test to pairs of elements to determine whether they should be considered ...
Equivalent[e_1, e_2, ...] represents the logical equivalence e_1 \[DoubleLeftRightArrow] e_2 \[DoubleLeftRightArrow] ..., giving True when all of the e_i are the same.
Exclusions is an option that specifies where to exclude in regions used by functions like Plot, Plot3D, and NIntegrate.
FindEdgeCover[g] finds an edge cover of the graph g with a minimum number of edges.
FindFile[name] finds the file with the specified name that would be loaded by Get[name] and related functions.