Maker Andrew Menadue
Works with embedded firmware by day and resurrects and recreates vintage calculators and computers for fun.
rpimag.co/menadue
When most people think of Casio, calculators and watches usually spring to mind. But, over nearly 80 years, this Japanese electronics company has developed many other devices including computers such as the Casio FX9000P. Powered by a Z80 processor and coming with built-in BASIC, the FX90009P is highly sought after, despite fetching high prices at auction. Many surviving units, however, require careful restoration.
This didn't deter Andrew Menadue. “Being a big Casio fan, I decided to buy one, partly to see what it was like and partly to add to my collection,” he says. “I knew from the auction photos that vertical lines were appearing on the screen, but I was fairly…
