It was cool to divide by zero and have the thing chug frantically away. No matter how many times it subtracted 0, it couldn't reduce the number, but it could shake the building down. Soon we had simple electronic machines. Then little HP's came along. Now TI's can do anything you want, if you can read the little screens.
Computers can do a lot more, especially with nice graphics.
There is even one called Number Cruncher Statistical Software . The thinking behind these principles is that Time spent learning how to use and install the software takes away from valuable time learning statistics, and Students have a terrible time installing anything, and I have a terrible time trying to understand what went wrong. But not in STAT100. The current incarnation is the Data Applet . This final effort seems to at least approach satisfying those two principles.