Retro Computer Friday - The National Semiconductor Introkit from 1976!
This was a DIY computer that was supposed to be hooked up to a teletype for display.
Then National Semiconductor realized that most hobbyists couldn't afford a teletype so they started including a modified calculator for display and I/O!
You can read more about the Introkit at the Old Computers page.
Check out more Retro Computers on our Pinterest page!