Flaw in algorithm

Please fix a glitch. Somehow when it converts degrees into minutes when working with negative numbers (eg. West) it inverts the decimal an then does the math. W -88.93647 becomes -89.0348W. It should be 88.5611".

Mykolanyk about Altimeter - Altitude and Elevation measurement with GPS Coordinates. Climbing, Walking, Mountaineering Tool, v1.0.2