Andes accepts units from the
International System of Units (SI), plus a few others. Unit
symbols must be entered using upper or lower case letters exactly as
shown.
symbol
|
name
|
m
|
meter
|
kg
|
kilogram
|
s
|
second
|
C
|
coulomb
|
g
|
gram (= 0.001 kg)
|
N
|
newton
|
J
|
joule
|
V
|
volt
|
A
|
ampere ("amps")
|
T
|
tesla
|
Wb
|
weber
|
ohm, Ω
|
ohm
|
Hz
|
hertz
|
Pa
|
pascal
|
F
|
farad
|
W
|
watt
|
deg
|
degree (= 0.0174532925199433 rad)
|
rad
|
radians
|
rev
|
revolutions (= 6.2831853071796 rad)
|
day
|
day (= 86400 s)
|
hr, h
|
hour (= 3600 s)
|
min
|
minute (= 60 s)
|
yr
|
year (= 31556952 s)
|
liter
|
liter (= 0.001 m^3)
|
NON SI UNITS ACCEPTED BY ANDES:
lb
|
pound (= 4.448 N)
|
ft
|
foot (= 0.3048 m)
|
in
|
inch (= 0.0254 m)
|
mi
|
mile (= 1609 m)
|
slug
|
slug (=14.59 kg)
|
gal
|
gallon (= 0.003786 m^3)
|
u
|
atomic mass unit (= 1.6605402*10-27 kg)
|
eV
|
electron volt (= 1.60217733*10-19 J)
|
cal
|
calorie (= 4.186 J)
|
lbs
|
pounds (= 4.448 N)
|
knot
|
knot (= 0.5144444 m/s)
|
psi
|
pounds/in^2 (= 6894.4137888276 Pa)
|
rpm
|
revs/min (= 0.10471975511966 rad/s)
|
|
MATH. OPERATIONS ON UNIT SYMBOLS:
symbol
|
meaning
|
example
|
/
|
division
|
m/s
|
^
|
exponentiation
|
s^2
|
. (period)
|
multiplication
|
N.m
|
*
|
multiplication (alternative)
|
N*m
|
PREFIXES ON UNIT SYMBOLS:
abbrev
|
value
|
name
|
a
|
1.00*10-18
|
atto
|
f
|
1.00*10-15
|
femto
|
p
|
1.00*10-12
|
pico
|
n
|
1.00*10-09
|
nano
|
μ, mu
|
1.00*10-06
|
micro
|
m
|
1.00*10-03
|
milli
|
c
|
1.00*10-02
|
centi
|
d
|
1.00*10-01
|
deci
|
k
|
1.00*10+03
|
kilo
|
K
|
1.00*10+03
|
kilo
|
M
|
1.00*10+06
|
mega
|
G
|
1.00*10+09
|
giga
|
T
|
1.00*10+12
|
tera
|
P
|
1.00*10+15
|
peta
|
E
|
1.00*10+18
|
exa
|
UNITS OF SOME PHYSICAL QUANTITIES:
m/s
|
velocity
|
m/s^2
|
acceleration
|
N.m
|
torque
|
J.s
|
angular momentum
|
kg.m^2
|
moment of inertia
|
N/m
|
spring constant
|
N.s/m^2
|
viscosity
|
N/m^2
|
Young/shear/bulk modulus
|
rad/s^2
|
angular acceleration
|
N/C
|
electric field
|
|