

They already made it - called the Apple TV. They should make a $200-$400 mini PC with no fans. You can choose tvOS or macOS, and either way it makes an awesome gaming console with 4 forward usb-c ports. They’ve done alright with mobile gaming and they could really make a dent in the console market if they tried. Aside from that it would be a great home server or even a desktop PC.








Functions are somewhat useful in VBA although learning LAMBDA in cell formulas (and named ranges) would probably serve you better at this time.
So instead I would say focus on writing a Sub. The one I used for myself students was to turn the current selection into a checkerboard by resizing column width to 2 and coloring every other square black (or any color).