# scipy.constants.value

scipy.constants.value(key)

  Value in physical_constants indexed by key

  Parameters
    key Python string or unicode

      Key in dictionary `physical_constants`

  Returns
    value float

      Value in `physical_constants` corresponding to key

  Examples

      >>> from scipy import constants
      >>> constants.value(u'elementary charge')
      1.602176634e-19

Constants (`scipy.constants`) scipy.constants.unit