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DAQFactory User's Guide

Navigation: 4 Expressions > 4.12 Expression Operator / Function Reference

4.12.16 Constants

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For your convenience, we have provided quite a few constants:

Pi()

3.141592653589793

Amu()

1.660566e-27 kg

MassN()

1.674954e-27 kg

MassE()

1.672649e-27 kg

MassP()

9.109534e-31 kg

ChargeE()

1.602189e-19 C

BohrRadius()

5.29177e-11 m

Planck()

6.626176e-34 Js

GConstant()

6.6720e-11 Nm2kg-2

GAcceleration()

9.80665 m/s2

SpeedLight()

2.9979246e8 m/s

Boltzmann()

1.38066e-23 J/K

Rydberg()

1.0973732e7 1/m

StefanBoltzmann()

5.670e-8 Wm-2K-4

Wein()

2.898e-3 mK

Avogadro()

6.022045e23 1/mol

GasConstant()

8.31441 J/Kmol

Faraday()

9.64846e4 C/mol

Permittivity()

8.854e-12 AsV-1m-1

Permeability()

1.25664e-6 VsA-1m-1

Euler()

0.577215664901532

Golden()

1.618033988749894