Genie 540 calculator Desktop Display Grey

10-digit desktop calculator with dual power (solar and battery) Compact desktop calculator with large, angled, 10-digit display Timeless design combined with functionality, high-quality processing Keyboard: easy-to-use and to-clean plastic keys Power supply: Dual-Power (solar power with sufficient light and immediate switch-over to battery operation with too little light) / Battery included Functions: Basic Calculations [+] [-] [x] [/], Root Calculation [?], Percentage [%], Sign Change Key [+/-], 3 Button Memory [M +] [M-] [] MRC], deletion: last entry [CE]