You can do some simple math like plus, minus, times, and divide on this calculator. For a better performance and better graphics run it here: https://turbowarp.org/894250663?hqpen To delete press the top right button, to clear the calculator press the "C", and to change the input location, press the arrow buttons in the top left.
Freesound.org for the button press sound, and Bensound.com for the music, the rest is by me (@Tobias_pk)
