Let HDS design interactive applications for you.  

HDS program languages cover: 
Visual Basic, Java, JavaScript, VBScript, VBA, PHP, Xml, CGI, etc.
Below is a example with PHP: 
Cost Effectiveness Calculator and Grapher

Change values in the white boxes and click "Calculate and Graph".



Treatment A

Treatment B

(B minus A)

  Input -- Costs
  Life Yrs Gained
  Cost Effectiveness Ratio (Inputs/Outcome)


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