The Web Page for Daniel/Susan/Andrew/Sam

• Would you like see a few years worth of family photos?
  Or the The Marjorie Hellerstein memorial pages
  Or the The Earl Hellerstein memorial pages
  Or Daniel's CV (July 06) : 2021

• Are you looking for ...
  Compare full ($ and environmental) costs of purchasing a car. Or, you can download the files (html, javascript, and css files) so you to run this on your own machine. (old version)
  Calcuate the financial consequences of refinancing your home
  Calcuate the the costs and income from purchasing a vacation house
  The SuDoKu puzzle assistant
  Joe Cooper's practice site
  other sites (under danielh.org). these include the GRBL econometric package, the ZIPFIP GIS package, the NBA and NCAA pools, the soccer and softball teams...