Do you own a Xerox XRX-230? Have you successfully repaired the keyboard rollover bug? Share your stories in the comments below.
The XRX-230 competed in the mid-tier. It was cheaper than Casio’s LCD units but more expensive than TI’s power-hungry LED models. Its unique selling point was the implying reliability and service (though Xerox would not repair these—they were disposable).
In conclusion, the Xerox XRX-230 calculator is a reliable and efficient calculator that offers a wide range of features and functions. Its ease of use, accuracy, and versatility make it suitable for various applications, including finance, science, and education. With its competitive pricing and warranty support, the Xerox XRX-230 calculator is an excellent option for anyone seeking a high-quality calculator for their daily calculations.
If you want to buy a in 2025, you are entering a niche market.
The XRX-230, like its peers, was a tool of mathematical democratization. For $35, a student could perform square roots and percentages faster than a mechanical adding machine. It made slide rules obsolete. However, it also sparked the “calculator debate” in schools: should students learn mental math? The XRX-230, with its automatic constant and memory, was powerful enough to perform homework but simple enough not to be banned.
The 8-digit LCD was a differentiator. In 1977, most cheap calculators used red LED (power-hungry) or blue-green VFD (required high voltage). The XRX-230’s LCD provided: