Casio Fx 260 Solar Ii Scientific Calculator Black B000q5xtbq Amazon Price Tracker Tracking Amazon Price History Charts Amazon Price Watches Amazon Price Drop Alerts Camelcamelcamel Com Re EEVblog #1093 Casio FX260 Solar II Calculator Review I still use an earlier Casio solar cell calculator, the fx115, from at least the 1990's, maybe earlier Normally I'm an RPN fan, but this one does binary, octal and hex, and does AND, OR and XOR Pretty handy for coding, and still going strongCasio FX260 SOLAR II Scientific Calculator, Casio Calculators FX260SOLARIIThe Casio FX260SOLARII is a Scientific calculator, that provides reliab Casio fx 260 solar ii scientific calculator black