Archimedes, the free medical calculator by Skyscape, was recently updated to version 6.0.165.
Archimedes provides you with 70 preprogrammed formulas that include specialties such as cardiology, pharmacology, hematology, FEN, pediatrics, pulmonary and renal. From a built-in calculator assisting with value field input, to control of decimal point placement in formula results, Archimedes allows you to determine the input and output details for every formula, and includes a help button giving you access to complete formula information.