hi prof, based on your new equations
what is the unit of the intensity?
I am trying to verify both your equations with the [img]http://phet.colorado.edu/sims/blackbody-spectrum/blackbody-spectrum-screenshot.png[/img]
phet has the units of MW/m^2/µ.m
can explain what is your applet's?
attached is my remix copy of your original first version which i modify by looking at the 2nd version ;D