Casio Scientific Calculator FX-991ESPLUS2PKWDT

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Natural textbook display 10 + 2 digits Solar & Battery Approximate battery life Main 3 years Auto Power Off Hard Case Non Programmable Non Graphing Variables: 9 (A,B,C.D.E.F.X.Y,M) Independent Memory (M / M+ / M-) Answer Memory Memory Protection Reset Function Show more