This app works on Jelly Bean (4.1+) SolarCT ~ Solar Calculator Tool SolarCT works to overcome the obstacles that new green energy users may face to build solar systems for example: it can facilitate calculations and save time and effort and guide the users with the necessary steps orderly when starting to build a solar system for home. SolarCT facilitates for the green energy engineers to get the right angle and direction of solar panels in the fields or how to wire batteries and solar pan