Converters

1. Calculator
Software for simple calculations and conversions.

2. Converters
Online conversions for many measurement systems.

3. Temperature and currency converters
Conversion of temperature and currency to desired units.

4. Physical Constants
This site contains reference on constants units and uncertainty.

5. PDF converter

http://www.pdfonline.com/

Open Access Journals in Public Health

You can access the 117 journals in Public Health through the following link:

http://www.medindia.net/medical-journals/health-sciences/public-health-1.htm

Also, Open Access Health and Medical Science related journals that can be accessed on the World Wide Web without any charges using this Medindia link.

http://www.medindia.net/medical-journals/health-sciences.htm