Casio SCHULRECHNER FX-CP400 CLASSPAD II | Graphing calculator, Casio, Calculator
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Casio FX-CP400 Graphing calculator Black Display (digits): 25 battery-powered (W x H x D) 89 x 21.1 x 206 mm | Conrad.com
Amazon.com : FitSand Hard Case Compatible for Casio FX-CP400-L Graphing Calculator : Office Products