Enter below a function using normal fortran notation (e.g., .5*g*x^2, note: "^" = "**" is OK; the mass of 1 amu is 1.66054E-27 kg = 1.66054 × 10-27 kg; trig functions like sin and asin = sin-1 = arcsin are designed for radian measure; sqrt(1/(mu0*epsilon0)))

f(x)=

Non-zero values of x:
x=
x=
x=
x=

Constants in MKS units:

speed of light: c = 2.9979 × 108 m/s

Planck's constant: h = 6.6261 × 10-34 J·s

Planck's constant divided by 2 pi: hbar = 1.0546 × 10-34 J·s

Charge on a proton: e = 1.6022 × 10-19 C   esu = 4.8032 × 10-10

Conversion constant: hbar*c/e = 197.33 MeV·fm

Electron mass: me and me2 = 9.1094 × 10-31 kg or 0.51100 MeV/c2

Proton mass: mp and mp2 = 1.6726 × 10-27 kg or 938.27 MeV/c2 or

permittivity of free space: epsilon0 = 8.8542 × 10-12 F/m

permeability of free space: mu0 = 1.2566 × 10-6 N/A2

fine structure constant: alpha = 7.2974 × 10-3

Bohr radius: a = 5.2918 × 10-11 m

Rydberg energy: Ry and Ry2 = 2.1799 × 10-18 J or 13.606 eV

Newton's gravitational constant: Gn = 6.6726 × 10-11 m3·kg-1·s-2

acceleration of gravity: g = 9.8067 m/s2

Avogradro's constant: Na = 6.0221 × 1023

Boltzmann's constant: Kb = 1.3807 × 10-23 J/K

Wein's displacement law constant: b = 2.8978 × 10-3 m·K

Stefan-Boltzmann constant: sigma = 5.6705 × 10-8 W·m-2·K-4

parsec: pc = 3.0857 × 1016 m

Astronomical unit: AU = 1.4960 × 1011 m

mass of Sun: Msun = 1.9889 × 1030 kg

radius of Sun: Rsun = 6.9600 × 108 m

Solar luminosity: Lsun = 3.8460 × 1026 W

mass of Earth: Mearth = 5.9737 × 1024 kg

radius of Earth: Rearth = 6.3781 × 106 m

quantized hall "resistance": h/e^2= 2.5813 × 104 Ohm

frequency of 1eV photon: e/h= 2.4180 × 1014 Hz

wavelength of 1eV photon: h*c/e= 1.2398 × 10-6 m

Temperature for kT = 1 eV: e/kb= 1.1604 × 104 K

1 eV per molecule = Na*e/4184 = 23.061 kcal/mole

standard pressure: atm= 1.0132 × 105 N/m2

gas constant: R = Na*kb = 8.3145 J

Variables:

a= 0.5291773E-10 b= 0.2897756E-02 c= 0.2997924E+09
x= 0.000000 y= 0.000000 z= 0.000000

show= 2.000000

F(X)=X

H = 6.6260757E-34
HBAR = 1.0545727E-34
E = 1.6021774E-19
ESU = 4.8032067E-10
ME = 9.1093900E-31
ME2 = 0.5109991
MP = 1.6726232E-27
MP2 = 938.2723
EPSILON0= 8.8541882E-12
MU0 = 1.2566371E-06
ALPHA = 7.2973529E-03
RY2 = 13.60570
RY = 2.1798740E-18
GN = 6.6725903E-11
G = 9.806650
NA = 6.0221367E+23
KB = 1.3806580E-23
SIGMA = 5.6705101E-08
PC = 3.0856776E+16
AU = 1.4959786E+11
MSUN = 1.9889201E+30
RSUN = 6.9600000E+08
LSUN = 3.8460000E+26
MEARTH = 5.9737002E+24
REARTH = 6378140.
ATM = 101325.0
R = 8.314511

Grading Variables:

nquest= 0 nright= 0 nblank= 0 right= 0
n_quest= 0 n_right= 0 n_blank= 0 right_= 0

Special Variables:

seed= 0 pid= 2115