Idea for little integrated arduboy

I’m back on the open source graphing calculator bandwagon now.

You think that buttons like these ones couldn’t be a solution to do a control interface below the screen ?

maybe something like https://www.aliexpress.com/i/32612922234.html?spm=2114.12057483.0.0.1463754bnNKaeG to have something like this at the end ( i hope i have place all important things…)

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