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Retro Review: Casio fx-280 FRACTION - Eddie W. Shore - 12-29-2019 03:10 PM
The Casio fx-280 FRACTION: it's like the fx-260 Solar, only bigger and with three memory registers.
http://edspi31415.blogspot.com/2019/12/retro-review-casio-fx-280-fraction.html
RE: Retro Review: Casio fx-280 FRACTION - ijabbott - 12-29-2019 06:53 PM
(12-29-2019 03:10 PM)Eddie W. Shore Wrote: The Casio fx-280 FRACTION: it's like the fx-260 Solar, only bigger and with three memory registers.
http://edspi31415.blogspot.com/2019/12/retro-review-casio-fx-280-fraction.html
Also known as the fx-85B.