const metre = 1e2
const meter = metre
const cm = metre / 1e2
const mm = metre / 1e3
const um = metre / 1e6
const nm = metre / 1e9

const second = 1e3
const ms = second / 1e3
const Hz = 1 / second

const voltage = 1e3
const mV = voltage / 1e3

const ampere = 1e6
const mA = ampere / 1e3
const uA = ampere / 1e6
const nA = ampere / 1e9

const farad=1e6
const uF = farad/1e6
const ufarad = uF

const siemens = 1e3
const mS = siemens / 1e3
const msiemens = mS
const nS = siemens / 1e9
const nsiemens = nS
