Intelligent interactive tests & exams with CDF Posted May 18th, 2012 by admin. This app uses Mathematica symbolic computational tools to check if student’s answer is correct. To view the full content of this page, please enable JavaScript in your browser.
![Trams in Savannah are Newyearly Christmasy. To provide streetcar service a 1930s-era W5-class streetcar (#756), originally from Melbourne, Australia, was purchased by the city for about $207,000 and converted to power its motors with an onboard biodiesel-fueled generator and batteries as a hybrid drive for an additional $100,000.[5] Hence it is a form of diesel railcar. The streetcar was nicknamed "Dottie" — a reference to the Savannah DOT that completed the project.](http://distilleryimage1.s3.amazonaws.com/a5192358537a11e28e2c22000a1fb747_5.jpg "Trams in Savannah are Newyearly Christmasy. To provide streetcar service a 1930s-era W5-class streetcar (#756), originally from Melbourne, Australia, was purchased by the city for about $207,000 and converted to power its motors with an onboard biodiesel-fueled generator and batteries as a hybrid drive for an additional $100,000.[5] Hence it is a form of diesel railcar. The streetcar was nicknamed \"Dottie\" — a reference to the Savannah DOT that completed the project.")
