Constants

In addition to the variety of funcitons provided, several common, and useful, constants are provided to simplify arithmetic.

Name

Value

pi

π (derived from numpy.pi)

a

:math:1\angle{120}

p

10^-12 (pico)

n

10^-9 (nano)

u

10^-6 (micro)

m

10^-3 (mili)

k

10^3 (kila)

M

10^6 (mega)

G

10^9 (giga)

u0

:math:µ0 (mu-not) 4πE-7

e0

:math:ε0 (epsilon-not) 8.854E-12

carson_r

9.869e-7 (Carson’s Ristance Constant)

WATTS_PER_HP

745.699872

KWH_PER_BTU

3412.14