ConstantQ

• ConstantQ[expr] yields True if expr is a constant-symbol, a numeric symbol or a number, and False otherwise.

• Do not confuse with ConstantSymbolQ.
• See: Section 4.1.
• New in version 0.
• Last update: 28-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)