2*3 |
18 m * 2 m |
4 watt * 8 second |
4 W * 8 s in J |
4 hours + 2 day in seconds |
c |
1/(4*pi*e0) |
( e0*(3keV) / (e^2*1e23 cm^-3) )^0.5 in nanometer |
x = 1 m y = 4 km x*y/(x^2+y^2) |
graph x^2 |
speed of light | c | 299792458. m s-1 |
gravitational constant | G | 6.67384 × 10-11 m3 kg-1s-2 |
Planck constant | h | 6.62606957 × 10-34 J s |
magnetic constant | mu0 | 1.256637061 × 10-6 N A-2 |
electric constant | e0 | 8.854187817 × 10-12 F m-1 |
electron charge | e | 1.602176565 × 10-19 C |
Bohr radius | a0 | 5.2917721092 × 10-11 m |
classical electron radius | re | 2.8179403267 × 10-15 m |
electron mass | me | 9.10938291 × 10-31 kg |
proton mass | mp | 1.672621777 × 10-27 kg |
Avogadro number | NA | 6.02214129 × 1023 mol-1 |
Boltzmann constant | kB | 1.3806488 × 10-23 J K-1 |
π | pi | 3.141592653589793 |
fine-structure constant | alpha | 7.2973525698 × 10-3 |
meter | m | m |
gram | g | 0.001 kg |
second | s | s |
ampere | A | A |
kelvin | K | K |
mole | mol | mol |
candela | cd | cd |
radian | rad | |
degree | deg | 0.0174532925 rad |
hertz | Hz | s-1 |
newton | N | m kg s-2 |
pascal | Pa | m-1 kg s-2 |
joule | J | m2 kg s-2 |
watt | W | m2 kg s-3 |
coulomb | C | s A |
volt | V | m2 kg s-3 A-1 |
farad | F | m-2 kg-1 s4 A2 |
ohm | m2 kg s-3 A-2 | |
siemens | S | m-2 kg-1 s3 A2 |
weber | Wb | m2 kg s-2 A-1 |
tesla | T | kg s-2 A-1 |
gauss | 0.0001 kg s-2 A-1 | |
henry | H | m2 kg s-2 A-2 |
minute | min | 60 s |
hour | 3600 s | |
day | 345600 s | |
are | 100 m2 | |
hectare | ha | 10000 m2 |
litre | L | 0.001 m3 |
tonne | 1000 kg | |
electronvolt | eV | 1.60217653 × 10-19 m2 kg s-2 |
angstrom | 10-10 m | |
barn | 10-28 m2 | |
atmosphere | atm | 101325 m-1 kg s-2 |
amu | 1.66053886 × 10-27 kg | |
inch | 0.0254 m | |
foot | 0.3048 m | |
yard | 0.9144 m | |
mile | mi | 1609.344 m |
acre | 4046.8564224 m2 | |
parsec | 3.0856775815 × 1016 m | |
light-year | ly | 9.4607304726 × 1015 m |
erg | 10-7 m2 kg s-2 |
sqrt | Square root |
exp | Exponential |
ln | Natural logarithm |
log10 | Base-10 logarithm |
cos | Trigonometric functions |
sin | |
tan | |
acos | |
asin | |
atan | |
cosh | Hyperbolic functions |
sinh | |
tanh | |
acosh | |
asinh | |
atanh | |
abs | Absolute value |
sign | -1/0/+1 depending on the sign |
round | Nearest integer |
floor | Nearest smaller integer |
ceil | Nearest greater integer |
min | Minimum or maximum of a series of values separated by a comma (,) |
max |