App: CalculatorFn
Developer: Aleksey Neronov
Genres: Education, Developer Tools

Engineering calculator with 8 programmable buttons allows you to select from the total list of exactly those features that You need. The buffer memory for arithmetic operations facilitates the work with subsets of data. The possibility of calculating interest and editing in data entry.  Support scalability.
Intuitive interface and a rich set of functions that make Your work with the calculator is very easy and pleasant.

Release notes:
Fixed empty screen on start.
Other minor changes.