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from geopy import units, distance
from mezzanine.core.managers import CurrentSiteManager
class GeoManager(CurrentSiteManager):
def near(self, latitude=None, longitude=None, distance_range=30):
queryset = super(GeoManager, self).get_query_set()
if not (latitude and longitude and distance_range):
return queryset.none()

Retirement Calculator

  • ages are in years
  • contribution, and savings are in dollars
  • avg_annual_return is a ratio, so 1.07 is a 7% annual return

let's say I'm 25 years old, I am going to contribute $2000/yr in bonds (~5% return), and I've already invested $5700 in bonds