Retro Review: Casio fx-280 FRACTION

[Eddie W. Shore]

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/r...ction.html

[ijabbott]

(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/r...ction.html

Also known as the fx-85B.