#!/usr/bin/env python
from irfpy.util.formula import *
def main():
print('wpe [/s] = %.3e * sqrt(n [/cc])'%plasma_afreq_el(1))
print('fpe [/s] = %.3e * sqrt(n [/cc])'%(plasma_freq_el(1)))
print('wpi [/s] = %.3e * sqrt(n [/cc])'%plasma_afreq_pr(1))
print('fpi [/s] = %.3e * sqrt(n [/cc])'%plasma_freq_pr(1))
print('wge [/s] = %.3e * B [nT]' % gyro_afreq_el(1))
print('fge [/s] = %.3e * B [nT]' % gyro_freq_el(1))
print('wgi [/s] = %.3e * B [nT]' % gyro_afreq_pr(1))
print('fgi [/s] = %.3e * B [nT]' % gyro_freq_pr(1))
print('Tge [s] = %.3e / B [nT]' % gyro_period_el(1))
print('Tgi [s] = %.3e / B [nT]' % gyro_period_pr(1))
print('Rge [km] = %.3e * v [km/s] / B [nT]' % gyro_radius_el(1, 1))
print('Rgi [km] = %.3e * v [km/s] / B [nT]' % gyro_radius_pr(1, 1))
print('Lde [km] = %.3e * sqrt(Te [eV] / n [/cc])' % debye_length_el(1,1 ))
if __name__ == '__main__':
main()