MedCalc is a stand-alone computer program for statistics in the biomedical sciences with an integrated spreadsheet for easy data input. It can import Excel, SPSS, DBase and Lotus files, and files in SYLK, DIF or text format. Special features of the program are, amongst others, lots of graphs including ROC curves, Kaplan-Meier survival plots, Bland & Altman plot, Deming and Passing & Bablok regression for method comparison.

Have you ever heard of a Rokurokubi? In Japanese folklore, it is a timid demon that can extend it's head on a very long neck. In this screen saver you can see a Rokurokubi and a host of demons, goblins, witches, and other creatures collectively called Bakemono or Obake. These rare antique prints of Japanese Monsters and Myths from the 1800's have been digitally repaired and enhanced for your enjoyment. 49 images are presented.