Many sailors are discussing the trim of a yacht very often. There are several opinions and nobody knows the best approach for a yacht, not for a sailing boat and not for a racing boat. This App is advising and recommending the best trim for your sailing boat. You just have to input the current situation in terms of wind, course and height of waves. By switching to the next page, the table show the details about the trim of the rigg. Use case: The plus and minus buttons let you change the strength of the wind, the hight of the waves and your course. After choosing this, press the button in order to get the details about the rigg. Have a good time on the water, Team Refreco GmbH