BarNote is a notepad & calculator application that can be quickly accessed from the menu bar.
It enables you to quickly calculate and take notes at any time.
There are five slots for notes, which can be switched using the number buttons at the bottom.
The calculator supports keyboard input in addition to mouse operation.
Calculation formulas are displayed to prevent input errors.
Values can be copied with ⌘C and pasted with ⌘V.
⌘0: Activate the calculator
⌘1~5: Switching notes
⌘Q: Exit the application