Scientific Constants

Constants are located on the calculator's numeric keys and can be accessed using the [CONST] key. For example, pressing [CONST] [4] returns the speed of light (c).

Source : 1986 CODATA Recommended Values, Handbook of Chemistry & Physics 73rd Edition.

Symbol	Button	Name & Units
	[EXP]	Pi. Units not applicable.
N_A	[0]	Avagadros Number. Units : 1/mol
m_p	[1]	Proton Mass. Units : kg
F	[2]	Faraday Constant. Units : C/mol
a₀	[3]	Bohr Radius. Units : m
c	[4]	Speed of Light. Units : m/s
h	[5]	Planck Constant. Units : J.s
G	[6]	Gravitational Constant. Units : N.m²/kg²
e	[7]	Electron Charge. Units : C
m_e	[8]	Electron Mass. Units : kg
u	[9]	Atomic Mass Unit. Units : kg
V_m	[×]	Molar Volume. Units : m³/mol
R	[÷]	Molar Gas Constant. Units : J/mol/K
	[+]	Permittivity of Vacuum. Units : C²/N.m²
u₀	[-]	Permeability of Vacuum. Units : N/A²
e(n)	[DEL]	Natural Number e. Units not applicable.
k	[.]	Boltzman Constant. Units : J/K
G(g)	[Ans]	Earth's Gravitation at Surface. Units : m/s²
	[=]	Planck Constant divided by 2 pi. Units : J.s