Everything except the internet, and math is slower. I have a TRS80 also, the portable version. Has built in CRT screen, but it's only one color text: green, as it uses the old green phosphor.And it has all the same capabilities, right?
Also, no friggin' license, no pop ups, no advertising, no crap from whatever company feels like jamming into the software without my consent, or with my FORCED consent.