kei-sato

# Clustering with Lance-Williams updating formula
# http://ibisforest.org/index.php?Lance-Williams%20updating%20formula

calcSquare = (n) -> n * n

haversine = (lat1, lng1, lat2, lng2) ->
  6371000 * 2 * Math.asin(Math.sqrt(Math.pow(Math.sin((lat1 - Math.abs(lat2)) * Math.PI / 180 / 2), 2) + Math.cos(Math.abs(lat1) * Math.PI / 180 ) * Math.cos(Math.abs(lat2) * Math.PI / 180) * Math.pow(Math.sin((lng1 - lng2) * Math.PI / 180 / 2), 2) ))

##
# calculate distance between 2 numbers

kei-sato

#!/usr/bin/env python
#coding:utf-8

# Exchange usd to any currency, or any currency to usd
# help: python convert_usd.py -h

import os.path
from datetime import date, datetime
import argparse
import urllib