Excellent App
After upgrading to Yosemite, I lost my “Always on Top” app that allowed me to keep the text editor, calculator, and any other tool in the forefront while I worked on spreadsheets, etc, (regardless of what other programs I needed to open). Since the calculator was used most often in this fashion, I was really happy to find this app. It works perfectly - just as descibed.
ClydeJarvisJr about
Always on Top Calculator