: Unlike complex scientific calculators, there is no steep learning curve; it is ready to use immediately out of the box.
: Operates on both solar and battery power, allowing for use in various lighting conditions. Standard Functions xerox xrx-230 calculator
The XRX-230 was a beast of beige plastic and mechanical ambition. It featured a bright green vacuum fluorescent display that hummed with a low-frequency buzz, and a high-speed impact printer that sounded like a miniature machine gun every time Arthur hit the "Total" key. While his colleagues were beginning to whisper about "personal computers," Arthur remained loyal to his Xerox. To him, if a calculation didn't result in a physical strip of paper, it wasn't official. : Unlike complex scientific calculators, there is no
Addition, subtraction, multiplication, division, square root, percent, sign change (+/-) 3-key memory (M+, M-, MRC) Dimensions Approximately 4.13" W x 5.24" D x 1.14" H Energy Automatic shut-off to preserve battery life Key Features It featured a bright green vacuum fluorescent display