While Xerox is now more widely known for printers and digital services, their "XRX" line of calculators (including the XRX-150 and 12-digit XRX-250) has a long-standing history as dependable office equipment.
Arthur hit the final "Total" key one last time. The XRX-230 gave a triumphant whir-zip , presenting him with a six-inch tail of paper that proved the books were balanced. He didn't use a computer; he didn't use a spreadsheet. He used twelve pounds of Xerox engineering and a very long roll of paper. xerox xrx-230 calculator