Casio’s C-Programming Calculator

Wow, this one is mind-blowing. The PB-2000C was more computer than calculator: it programmed in C!! C is a powerful programming language upon which many programs are built: operating systems, web servers, word processing programs, etc. As far as we know, this is the only pocket computer capable of coding in this powerful language. The PB-2000C has 32K of RAM and a ROM card slot, allowing for expandability. Prolog and BASIC were advertised to be distributed in this format for this computer, but we haven’t seen them. There was also a slot for and additional 32K of RAM and an interface to plug the system into an MD-100 base. The base contained a 3 1/2 floppy disk drive and an RS-232C interface and a Centronics port for a printer. Absolutely incredible power in a pocket-sized form factor. Who else but Casio?

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