use Constants qw(:all);
use Constants qw(:math);
Constants module provided the following constants:
Pi, TwoPi, PiByTwo, PiByFour, InversePi, OneByPi, SqrtTwoPi, OneBySqrtTwoPi, InverseSqrtTwoPi, Phi, E
Copyright (C) 2019 Manish Sud. All rights reserved.
This file is part of MayaChemTools.
MayaChemTools is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.