Daily UI 004 - Calculator

This is a design for a keyboard driven calculator app.

- The left column is your input.
- The right column is the running total for the calculation. This is shown per line.
- The bottom row of buttons are advanced operators that are difficult to type.

- You can scroll up to see your history.
- You can use the arrow keys or mouse to move to old calculations and modify them at any time.

- Each calculation is separated by a muted blue line. The user can press 'Enter' to create a new calculation.
- A calculation can be split into multiple lines. This is handy for readability and seeing the running total of the calculation. The user can press 'Shift+Enter' create a new line in a calculation.