Both CASIO fx-9750GII and CASIO fx-9860GII use the same SH4A CPU. Therefore the old firmware of the fx-9750GII (02.02.xxxx) can be replaced by the newer firmware of the fx-9860GII (02.02.0201). This allows users of the fx-9750GII to enjoy the new features, that come with the firmware update, such as MathView.