# Variable List

## Basic Constants

## Variables: Basic Constants

Title | Names | Value
Apery's Constant | apery | zeta(3)
Archimede's Constant (pi) | π / pi | 3.1415927 (approximate)
Base of Natural Logarithms (e) | e | 2.7182818 (approximate)
Catalan's Constant | catalan | 0.91596559 (approximate)
Euler's Constant | γ / euler | 0.57721566 (approximate)
Golden Ratio | golden / φ | (1+sqrt(5))/2
Omega Constant | omega | lambertw(1)
Pythagora's Constant (sqrt 2) | pythagoras | sqrt(2)

## Large Numbers

## Variables: Large Numbers

Title | Names | Value
Billion | billion | 1E9
Centillion | centillion | 1E303
Decillion | decillion | 1E33
Duodecillion | duodecillion | 1E39
Googol | googol | 10^100
Googolplex | googolplex | 10^(10^100)
Hundred | hundred | 1E2
Million | million | 1E6
Nonillion | nonillion | 1E30
Novemdecillion | novemdecillion | 1E60
Octillion | octillion | 1E27
Octodecillion | octodecillion | 1E57
Quadrillion | quadrillion | 1E15
Quattuordecillion | quattuordecillion | 1E45
Quindecillion | quindecillion | 1E48
Quintillion | quintillion | 1E18
Septendecillion | septendecillion | 1E54
Septillion | septillion | 1E24
Sexdecillion | sexdecillion | 1E51
Sextillion | sextillion | 1E21
Thousand | thousand | 1E3
Tredecillion | tredecillion | 1E42
Trillion | trillion | 1E12
Undecillion | undecillion | 1E36
Vigintillion | vigintillion | 1E63

## Physical Constants

### Atomic and Nuclear Constants

### Variables: Atomic and Nuclear Constants

Title | Names | Value
Alpha Particle Mass | alpha_particle_mass / m_α | 6.6446565E-24*g (approximate)
Bohr Radius | bohr_radius / a_o | 0.5291772108E-10*m (approximate)
Classical Electron Radius | classical_electron_radius / r_e | 2.817940325E-15*m (approximate)
Compton Wavelength | compton_wavelength / λ_C | 2.426310238E-12*m (approximate)
Electron Mass | electron_mass / m_e | 9.1093826E-28*g (approximate)
Helion Mass | helion_mass / m_h | 5.00641214E-24*g (approximate)
Neutron Mass | neutron_mass / m_n | 1.67492728E-24*g (approximate)
Proton Mass | proton_mass / m_p | 1.67262171E-24*g (approximate)
Rydberg Constant | rydberg / R_∞ | 10973731.568525*m^(-1) (approximate)
Tau Mass | tau_mass / m_τ | 3.16777E-24*g (approximate)

### Electromagnetic Constants

### Variables: Electromagnetic Constants

Title | Names | Value
Borh Magneton | bohr_magneton / μ_B | 927.400949E-26*J*T^(-1) (approximate)
Conductance Quantum | conductance_quantum / G_0 | 7.748091733E-5*S (approximate)
Elementary Charge | elementary_charge / e_charge | 1.60217653E-19*C (approximate)
Josephson Constant | josephson / K_J | 483597.879E9*Hz*V^(-1) (approximate)
Magnetic Flux Quantum | magnetic_flux_quantum / Φ_0 | 2.06783372E-15*Wb (approximate)
Nuclear Magneton | nuclear_magneton / μ_N | 5.05078343E-27*J*T^(-1) (approximate)
von Klitzing Constant | klitzing / R_K | 25812.807449*ohm (approximate)

### Physico-Chemical Constants

### Variables: Physico-Chemical Constants

Title | Names | Value
Atomic Mass Constant | atomic_mass / m_u | 1.66053886E-24*g (approximate)
Avogadro Constant | avogadro / N_A | 6.0221415E23*mol^(-1) (approximate)
Boltzmann Constant | boltzmann | 1.3806505E-23*J*K^(-1) (approximate)
Faraday Constant | faraday | 96485.3383*C*mol^(-1) (approximate)
First Radiation Constant | first_radiation / c_1 | 3.74177138E-16*W*m^2 (approximate)
Ideal Gas Constant | ideal_gas | 8.314472*J*K^(-1)*mol^(-1) (approximate)
Second Radiation Constant | second_radiation / c_2 | 1.4387752E-2*m*K (approximate)

### Universal Constants

### Variables: Universal Constants

Title | Names | Value
Characteristic Impedance of Vacuum | characteristic_impedance / Z_0 | 4E-7*pi*299792458*ohm
Electric Constant (Permittivity of Free Space) | electric_constant / ε_0 | 1/(4E-7*pi*299792458^2)*F*m^(-1)
Magnetic Constant (Permeability of Free Space) | magnetic_constant / μ_0 | 4E-7*pi*N*A^(-2)
Newtonian Constant of Gravitation | newtonian_constant / G | 6.6742E-11*m^3*kg^(-1)*s^(-2) (approximate)
Planck Constant | planck | 6.6260693E-34*J*s (approximate)
Planck Constant over 2 pi | planck2pi | planck/(2*pi)
Planck Length | planck_length / l_P | 1.61624E-35*m (approximate)
Planck Mass | planck_mass / m_P | 2.17645E-5*g (approximate)
Planck Temperature | planck_temperature / T_P | 1.41679E32*K (approximate)
Planck Time | planck_time / t_P | 5.39121E-44*s (approximate)
Speed of Light in Vacuum | c / speed_of_light | 299792458*m*s^(-1)

## Small Numbers

## Variables: Small Numbers

Title | Names | Value
Per Mille | permille / ‰ | 1/1000
Per Myriad | permyriad / ‱ | 1/10000
Procent | % / procent | 1/100

## Special Numbers

## Variables: Special Numbers

Title | Names | Value
False | false / no | 0
Imaginary i (sqrt -1) | i | i
Infinity | infinity | infinity
Negative Infinity | minus_infinity | -(+infinity)
Positive Infinity | plus_infinity | (+infinity)
True | true / yes | 1
Undefined | undefined | undefined

## Temporary

## Variables: Temporary

Title | Names | Value
Answer 2 | ans2 | a previous result
Answer 3 | ans3 | a previous result
Answer 4 | ans4 | a previous result
Answer 5 | ans5 | a previous result
Last Answer | ans / answer / ans1 | a previous result

## Unknowns

## Variables: Unknowns

Title | Names | Value
x | x | default assumptions
y | y | default assumptions
z | z | default assumptions