A convenient to use and capable little calculator to help you get through your day
Available for the Mac in the Mac App Store:
This calculator while simple has many useful features. You can make it easy to launch as a Menu bar item by enabling this in Settings/Preferences.
The calculator displays a paper tape line that has a very clear format to show your calculations .
A Paper Tape list can also be opened to show and reuse your calculations. This list has options such as selecting and filtering favourites to help you organise.
There are many other features and a wide number of settings and preferences available.
Nixie Calculator 