ctop F
For a coherent sheaf F on a variety X, the top Chern class is chern (dim X, F).
On projective space, the coefficient of the top Chern class of the tangent bundle is the 1 plus dimension of the variety.
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On a complete smooth normal toric variety, the top Chern class is a sum of the classes corresponding to maximal cones in the underlying fan.
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The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/NormalToricVarieties/ChowDocumentation.m2:385:0.