Casio Scientific Calculator Calculation 199 2-digit Display/statistical Functions/functions fx-290A-N

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[Number of digits] 10 digits [Memory] 9 [Size] 161.5 x 77 x 11.1 (mm) [Weight] 95g [Power supply] T・W・P (combined solar battery and auxiliary battery) (LR44) [Number of batteries] 1 [Battery life] Approximately 3 years Two-line display type that allows you to check and replay calculation formulas Comes with a slide hard case for easy carrying