CNG 

CNG-CALC is an economic analysis system for alternate fuel vehicles.  Compare the cost of any alternate fuel scenario, for any type of vehicle.  Use to produce financial comparisons (cost/savings) for CNG/Methanol/Ethanol/Gas/LNG/Diesel/Elec/Propane.
alternate fuel cng gasoline lng hydrogen methanol diesel propane electricity convert financial analysis

Cheers! Blood Alcohol Calculator 

Cheers! Blood Alcohol Calculator is a program for accurate calculation of human blood alcohol content based on the the number of drinks, the alcohol content of each drink, the drinker's weight, height, sex, and age.
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AlcoDens 

Convert density of ethanol-water mixtures to and from concentration expressed in Mass, Volume or Molar terms. Covers concentrations from 0% to 100% and temperatures from 10C to 100C. Calculate blending ratios based on source or blend properties.
alcohol water density concentration blending