scipy.constants.
precision#
- scipy.constants.precision(key)[source]#
- Relative precision in physical_constants indexed by key - Parameters:
- keyPython string
- Key in dictionary - physical_constants
 
- Returns:
- precfloat
- Relative precision in - physical_constantscorresponding to key
 
 - Examples - >>> from scipy import constants >>> constants.precision('proton mass') 5.1e-37