Extended Functions - Demonstration of how to create a python file to be used as a module.
# create a custom module # 2021-02-03 EWS import math # functions code def radius(a,b): return math.sqrt(a**2+b**2) def angle(a,b): t=math.acos(a/math.sqrt(a**2+b**2)) t=t*180/math.pi if b<0: t=-t return t def pchg(a,b): return (b-a)/a*100 def taxplus(a,b): return a*(1+.01*b) def pvaf(a,b): return (1-(1+.01*b)**(-a))/(.01*b) def fvaf(a,b): return ((1+.01*b)**a-1)/(.01*b) def rsum(a,b): return 1/(1/a+1/b) # constants # gravity of Earth g=9.80665 # speed of light c=299792458