free Inverse Square Law Calculator v2.1.0 for blackberry playbook apps download
Required Device Software: 1.0.0 or higher
The Inverse Square Law Calculator allows the user to calculate the Illuminance at a desired distance. Lighting designers, lighting engineers, architects, and anyone interested in lighting may find this application useful.
E1 = the known Illuminance value.
D1 = distance at which E1 is known.
D2 = the desired distance.
E2 = the result of the calculation. The Illuminance at distance D2.
E2 = E1 * ((D1/D2)^2).