"WindChill Please!" is weather calculator that will let you calculate the wind chill temperature given the temperature and wind speed. Temperature can be entered in degrees Fahrenheit or degrees Celcius. Wind Speed can be entered in miles per hour, kilometers per hour, or Knots! These settings are displayed and modified in a "Settings" tab.
In addition to calculating the wind chill, the "WindChill Please!" application will also calculate the heat index. Heat Index is calculated with the measured temperature and the Relative Humidity. Again, temperature can be entered in degrees Fahrenheit or degrees Celcius. Relative Humidity is a percentage.
Once values are entered in the above screens, simply press the Calculate button and the result is displayed in the lower half of the screen.
For reference, charts showing the calculations at various data points are provided in the application and can be zoomed for better viewing.