test whether a physical constant name or symbol is in the ScientificConstants package - Maple Help

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ScientificConstants[HasConstant] - test whether a physical constant name or symbol is in the ScientificConstants package

Calling Sequence

HasConstant( descriptor )

Parameters

descriptor

-

name

Description

• 

The HasConstant( descriptor ) command returns true if descriptor is the full name or symbol of a physical constant in the ScientificConstants package.  Otherwise, it returns false.

Examples

withScientificConstants:

HasConstantc

true

(1)

HasConstantspeed_of_light_in_vacuum

true

(2)

See Also

Details of Commands for Physical Constants, Initial Physical Constants, ScientificConstants, ScientificConstants[Constant], ScientificConstants[GetConstant], ScientificConstants[GetConstants]


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