The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
It is a calculator which calculates power consumptionquickly easy. Troublesome operation is not neededif any three value, Voltage[V], Current[A], Power-Factor[%], Electric Power[kW],are known. The electric mode corresponds to 3 phases  and single phase . The reflection to an electricity bill is also easy. In order to convert into the electricity bill of your country and the area, please carry out the tap of the display of a "dollar" and change a unit.