Genie DD400 calculator Desktop Basic Black, Silver

10-digit desktop calculator with dual power (solar and battery) Stylish desktop calculator with large, angled, 10-digit display modern design combined with functionality, high-quality workmanship Keyboard: easy-to-use and clean plastic keys Power supply: Dual power (solar operation with sufficient light and immediate switch to battery operation in case of too low light incidence) / Battery included Functions: Basic operations [+] [-] [x] [/], root calculation [?], percent [%], sign change key [+/-], 3-key memory [M +] [M-] [ MRC], deletion: last entry [CE]